<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebt" xlink:href="livn-20160331.xsd#AccountsReceivableAndAllowanceForBadDebt" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebtSummaryOfAccountsReceivableDetails" xlink:href="livn-20160331.xsd#AccountsReceivableAndAllowanceForBadDebtSummaryOfAccountsReceivableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebtTables" xlink:href="livn-20160331.xsd#AccountsReceivableAndAllowanceForBadDebtTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccruedLiabilities" xlink:href="livn-20160331.xsd#AccruedLiabilities" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccruedLiabilitiesSummaryOfAccruedLiabilitiesDetails" xlink:href="livn-20160331.xsd#AccruedLiabilitiesSummaryOfAccruedLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccruedLiabilitiesTables" xlink:href="livn-20160331.xsd#AccruedLiabilitiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPolicies" xlink:href="livn-20160331.xsd#BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesNarrativeDetails" xlink:href="livn-20160331.xsd#BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesPolicies" xlink:href="livn-20160331.xsd#BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BusinessCombinations" xlink:href="livn-20160331.xsd#BusinessCombinations" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BusinessCombinationsConsiderationTransferredDetails" xlink:href="livn-20160331.xsd#BusinessCombinationsConsiderationTransferredDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BusinessCombinationsNarrativeDetails" xlink:href="livn-20160331.xsd#BusinessCombinationsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/CommitmentsAndContingencies" xlink:href="livn-20160331.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/CommitmentsAndContingenciesNarrativeDetails" xlink:href="livn-20160331.xsd#CommitmentsAndContingenciesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedBalanceSheets" xlink:href="livn-20160331.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="livn-20160331.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="livn-20160331.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:href="livn-20160331.xsd#ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfIncomeLoss" xlink:href="livn-20160331.xsd#ConsolidatedStatementsOfIncomeLoss" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:href="livn-20160331.xsd#ConsolidatedStatementsOfStockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagement" xlink:href="livn-20160331.xsd#DerivativesAndForeignCurrencyRiskManagement" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementAmountOfGainLossRecognizedInOciAndIncomeStatementDetails" xlink:href="livn-20160331.xsd#DerivativesAndForeignCurrencyRiskManagementAmountOfGainLossRecognizedInOciAndIncomeStatementDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementFairValueOfDerivativeInstrumentsDetails" xlink:href="livn-20160331.xsd#DerivativesAndForeignCurrencyRiskManagementFairValueOfDerivativeInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementGainLossInConsolidatedStatementsOfIncomeDetails" xlink:href="livn-20160331.xsd#DerivativesAndForeignCurrencyRiskManagementGainLossInConsolidatedStatementsOfIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementNarrativeDetails" xlink:href="livn-20160331.xsd#DerivativesAndForeignCurrencyRiskManagementNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementTables" xlink:href="livn-20160331.xsd#DerivativesAndForeignCurrencyRiskManagementTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DocumentAndEntityInformation" xlink:href="livn-20160331.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlans" xlink:href="livn-20160331.xsd#EmployeeRetirementPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansFairValueOfRetirementBenefitPlanAssetsDetails" xlink:href="livn-20160331.xsd#EmployeeRetirementPlansFairValueOfRetirementBenefitPlanAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansNarrativeDetails" xlink:href="livn-20160331.xsd#EmployeeRetirementPlansNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansNetPeriodicBenefitCostOfPlansDetails" xlink:href="livn-20160331.xsd#EmployeeRetirementPlansNetPeriodicBenefitCostOfPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansTables" xlink:href="livn-20160331.xsd#EmployeeRetirementPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FairValueMeasurements" xlink:href="livn-20160331.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FairValueMeasurementsFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" xlink:href="livn-20160331.xsd#FairValueMeasurementsFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FairValueMeasurementsNarrativeDetails" xlink:href="livn-20160331.xsd#FairValueMeasurementsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FairValueMeasurementsTables" xlink:href="livn-20160331.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangements" xlink:href="livn-20160331.xsd#FinancingArrangements" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangementsLongTermDebtOutstandingDetails" xlink:href="livn-20160331.xsd#FinancingArrangementsLongTermDebtOutstandingDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangementsShortTermDebtOutstandingDetails" xlink:href="livn-20160331.xsd#FinancingArrangementsShortTermDebtOutstandingDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangementsTables" xlink:href="livn-20160331.xsd#FinancingArrangementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformation" xlink:href="livn-20160331.xsd#GeographicAndSegmentInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationGeographicAreasDetails" xlink:href="livn-20160331.xsd#GeographicAndSegmentInformationGeographicAreasDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationSegmentInfoDetails" xlink:href="livn-20160331.xsd#GeographicAndSegmentInformationSegmentInfoDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationTables" xlink:href="livn-20160331.xsd#GeographicAndSegmentInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssets" xlink:href="livn-20160331.xsd#GoodwillAndIntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsAmortizationPeriodsForFiniteLivedIntangibleAssetsDetails" xlink:href="livn-20160331.xsd#GoodwillAndIntangibleAssetsAmortizationPeriodsForFiniteLivedIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsDetailOfIndefiniteLivedIntangibleAssetsDetails" xlink:href="livn-20160331.xsd#GoodwillAndIntangibleAssetsDetailOfIndefiniteLivedIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsEstimatedFutureAmortizationExpenseDetails" xlink:href="livn-20160331.xsd#GoodwillAndIntangibleAssetsEstimatedFutureAmortizationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsFiniteLivedAndIndefiniteLivedIntangibleAssetsDetails" xlink:href="livn-20160331.xsd#GoodwillAndIntangibleAssetsFiniteLivedAndIndefiniteLivedIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsNarrativeDetails" xlink:href="livn-20160331.xsd#GoodwillAndIntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsTables" xlink:href="livn-20160331.xsd#GoodwillAndIntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomePerShare" xlink:href="livn-20160331.xsd#IncomePerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomePerShareScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareDetails" xlink:href="livn-20160331.xsd#IncomePerShareScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomePerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" xlink:href="livn-20160331.xsd#IncomePerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomePerShareTables" xlink:href="livn-20160331.xsd#IncomePerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxes" xlink:href="livn-20160331.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxesNarrativeDetails" xlink:href="livn-20160331.xsd#IncomeTaxesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/Inventories" xlink:href="livn-20160331.xsd#Inventories" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InventoriesScheduleOfInventoryComponentsDetails" xlink:href="livn-20160331.xsd#InventoriesScheduleOfInventoryComponentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InventoriesTables" xlink:href="livn-20160331.xsd#InventoriesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/Investments" xlink:href="livn-20160331.xsd#Investments" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsEquityMethodInvestmentsDetails" xlink:href="livn-20160331.xsd#InvestmentsEquityMethodInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsNarrativeDetails" xlink:href="livn-20160331.xsd#InvestmentsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsScheduleOfLongTermInvestmentsDetails" xlink:href="livn-20160331.xsd#InvestmentsScheduleOfLongTermInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsScheduleOfShortTermInvestmentsDetails" xlink:href="livn-20160331.xsd#InvestmentsScheduleOfShortTermInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsTables" xlink:href="livn-20160331.xsd#InvestmentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/NatureOfOperations" xlink:href="livn-20160331.xsd#NatureOfOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/NewAccountingPronouncements" xlink:href="livn-20160331.xsd#NewAccountingPronouncements" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilities" xlink:href="livn-20160331.xsd#OtherLongTermLiabilities" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilitiesDetails" xlink:href="livn-20160331.xsd#OtherLongTermLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilitiesTables" xlink:href="livn-20160331.xsd#OtherLongTermLiabilitiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ProductWarranties" xlink:href="livn-20160331.xsd#ProductWarranties" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ProductWarrantiesDetails" xlink:href="livn-20160331.xsd#ProductWarrantiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ProductWarrantiesTables" xlink:href="livn-20160331.xsd#ProductWarrantiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipment" xlink:href="livn-20160331.xsd#PropertyPlantAndEquipment" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentDetails" xlink:href="livn-20160331.xsd#PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipmentTables" xlink:href="livn-20160331.xsd#PropertyPlantAndEquipmentTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/RestructuringPlans" xlink:href="livn-20160331.xsd#RestructuringPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/RestructuringPlansDetails" xlink:href="livn-20160331.xsd#RestructuringPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/RestructuringPlansNarrativeDetails" xlink:href="livn-20160331.xsd#RestructuringPlansNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/RestructuringPlansTables" xlink:href="livn-20160331.xsd#RestructuringPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlans" xlink:href="livn-20160331.xsd#StockBasedIncentivePlans" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByExpenseCategoryDetails" xlink:href="livn-20160331.xsd#StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByExpenseCategoryDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByTypeOfArrangementDetails" xlink:href="livn-20160331.xsd#StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByTypeOfArrangementDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansNarrativeDetails" xlink:href="livn-20160331.xsd#StockBasedIncentivePlansNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansTables" xlink:href="livn-20160331.xsd#StockBasedIncentivePlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockholdersEquity" xlink:href="livn-20160331.xsd#StockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockholdersEquityComprehensiveIncomeDetails" xlink:href="livn-20160331.xsd#StockholdersEquityComprehensiveIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockholdersEquityNarrativeDetails" xlink:href="livn-20160331.xsd#StockholdersEquityNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockholdersEquityTables" xlink:href="livn-20160331.xsd#StockholdersEquityTables" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebt" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebtSummaryOfAccountsReceivableDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebtTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccruedLiabilities" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccruedLiabilitiesSummaryOfAccruedLiabilitiesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccruedLiabilitiesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_D7AC59F5387BDEC73865834CDAD6041A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5DD7DA5E72C16567FD6B834CDAD692FB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7AC59F5387BDEC73865834CDAD6041A" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5DD7DA5E72C16567FD6B834CDAD692FB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_485E8D66D2BCE1F75C22835662FEDA78" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5DD7DA5E72C16567FD6B834CDAD692FB" xlink:to="loc_us-gaap_StatementGeographicalAxis_485E8D66D2BCE1F75C22835662FEDA78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_D408004C901234D9533283566308B8E2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_485E8D66D2BCE1F75C22835662FEDA78" xlink:to="loc_us-gaap_SegmentGeographicalDomain_D408004C901234D9533283566308B8E2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_D408004C901234D9533283566308B8E2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_485E8D66D2BCE1F75C22835662FEDA78" xlink:to="loc_us-gaap_SegmentGeographicalDomain_D408004C901234D9533283566308B8E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_IT" xlink:label="loc_country_IT_6B5FFDF53997761473408356800920E7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_D408004C901234D9533283566308B8E2" xlink:to="loc_country_IT_6B5FFDF53997761473408356800920E7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_C1C78E1A0521447D6DCA834CEB65CB52" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5DD7DA5E72C16567FD6B834CDAD692FB" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_C1C78E1A0521447D6DCA834CEB65CB52" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_8753A8AE8F0A54117664834CEB74BE8E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_C1C78E1A0521447D6DCA834CEB65CB52" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_8753A8AE8F0A54117664834CEB74BE8E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_8753A8AE8F0A54117664834CEB74BE8E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_C1C78E1A0521447D6DCA834CEB65CB52" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_8753A8AE8F0A54117664834CEB74BE8E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherCurrentLiabilitiesMember_11DA6BFD31F410896E96834D5B305A64" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_8753A8AE8F0A54117664834CEB74BE8E" xlink:to="loc_us-gaap_OtherCurrentLiabilitiesMember_11DA6BFD31F410896E96834D5B305A64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustment" xlink:label="loc_us-gaap_PriorPeriodReclassificationAdjustment_425E2EDFF4D279E7F39B834C31AF2069" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7AC59F5387BDEC73865834CDAD6041A" xlink:to="loc_us-gaap_PriorPeriodReclassificationAdjustment_425E2EDFF4D279E7F39B834C31AF2069" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MoneyMarketFundsAtCarryingValue" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_D902D253BF389CBFB3B182EF0868B440" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7AC59F5387BDEC73865834CDAD6041A" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_D902D253BF389CBFB3B182EF0868B440" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_MedicalDeviceExciseTaxPercentage" xlink:label="loc_livn_MedicalDeviceExciseTaxPercentage_0B733F202407B4E8FCEA82EF08689829" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7AC59F5387BDEC73865834CDAD6041A" xlink:to="loc_livn_MedicalDeviceExciseTaxPercentage_0B733F202407B4E8FCEA82EF08689829" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExciseAndSalesTaxes" xlink:label="loc_us-gaap_ExciseAndSalesTaxes_FB3E2E8BC1508B44FD5183506EB0CD3F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7AC59F5387BDEC73865834CDAD6041A" xlink:to="loc_us-gaap_ExciseAndSalesTaxes_FB3E2E8BC1508B44FD5183506EB0CD3F" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_ForeignMedicalDeviceTax" xlink:label="loc_livn_ForeignMedicalDeviceTax_BB4207311A6E76673D6A8355DC2BFC87" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7AC59F5387BDEC73865834CDAD6041A" xlink:to="loc_livn_ForeignMedicalDeviceTax_BB4207311A6E76673D6A8355DC2BFC87" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BusinessCombinations" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BusinessCombinationsConsiderationTransferredDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3B182A1E8EB49B4B93208CBBE8F1185D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3B182A1E8EB49B4B93208CBBE8F1185D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_1159A8B9C05B5B097EF68CBBE8F10C9F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3B182A1E8EB49B4B93208CBBE8F1185D" xlink:to="loc_dei_LegalEntityAxis_1159A8B9C05B5B097EF68CBBE8F10C9F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_84E44F0F3860282DEF128CBBE8F1A442_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_1159A8B9C05B5B097EF68CBBE8F10C9F" xlink:to="loc_dei_EntityDomain_84E44F0F3860282DEF128CBBE8F1A442_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_84E44F0F3860282DEF128CBBE8F1A442" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_1159A8B9C05B5B097EF68CBBE8F10C9F" xlink:to="loc_dei_EntityDomain_84E44F0F3860282DEF128CBBE8F1A442" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_D0D07DB01613D6E275838CBBE8F152A2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_84E44F0F3860282DEF128CBBE8F1A442" xlink:to="loc_livn_SorinS.p.A.Member_D0D07DB01613D6E275838CBBE8F152A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_FCD95E3538CF7411B34F8CBBE8F2891B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3B182A1E8EB49B4B93208CBBE8F1185D" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_FCD95E3538CF7411B34F8CBBE8F2891B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F1F453BD68391B58A7168CBBE8F29930_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_FCD95E3538CF7411B34F8CBBE8F2891B" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F1F453BD68391B58A7168CBBE8F29930_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F1F453BD68391B58A7168CBBE8F29930" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_FCD95E3538CF7411B34F8CBBE8F2891B" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F1F453BD68391B58A7168CBBE8F29930" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_8954D15006677D6BCC128CBBE8F214AB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F1F453BD68391B58A7168CBBE8F29930" xlink:to="loc_livn_MergerAgreementMember_8954D15006677D6BCC128CBBE8F214AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_0DD53C390318D7D31BAE8CBBE8F2F640" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3B182A1E8EB49B4B93208CBBE8F1185D" xlink:to="loc_us-gaap_CounterpartyNameAxis_0DD53C390318D7D31BAE8CBBE8F2F640" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_92C4677FE351F7ED3A3C8CBBE8F20CD6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CounterpartyNameAxis_0DD53C390318D7D31BAE8CBBE8F2F640" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_92C4677FE351F7ED3A3C8CBBE8F20CD6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_92C4677FE351F7ED3A3C8CBBE8F20CD6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CounterpartyNameAxis_0DD53C390318D7D31BAE8CBBE8F2F640" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_92C4677FE351F7ED3A3C8CBBE8F20CD6" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.ShareholdersMember" xlink:label="loc_livn_SorinS.p.A.ShareholdersMember_4FADF7A8FF6AA23485A28CBBE8F2A927" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_92C4677FE351F7ED3A3C8CBBE8F20CD6" xlink:to="loc_livn_SorinS.p.A.ShareholdersMember_4FADF7A8FF6AA23485A28CBBE8F2A927" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.ShareAwardHoldersMember" xlink:label="loc_livn_SorinS.p.A.ShareAwardHoldersMember_B59DC1F016356FB6B2168CBBE8F2FD25" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_92C4677FE351F7ED3A3C8CBBE8F20CD6" xlink:to="loc_livn_SorinS.p.A.ShareAwardHoldersMember_B59DC1F016356FB6B2168CBBE8F2FD25" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.StockAppreciationRightsHoldersMember" xlink:label="loc_livn_SorinS.p.A.StockAppreciationRightsHoldersMember_8384E7F53D1DE92110608CBBE8F2DA42" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_92C4677FE351F7ED3A3C8CBBE8F20CD6" xlink:to="loc_livn_SorinS.p.A.StockAppreciationRightsHoldersMember_8384E7F53D1DE92110608CBBE8F2DA42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_55964624C7EDA29A4C988CBBE8F282D2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_55964624C7EDA29A4C988CBBE8F282D2" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio" xlink:label="loc_livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio_E563905C6FC33117B4D28CBBE8F24E98" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:to="loc_livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio_E563905C6FC33117B4D28CBBE8F24E98" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_OrdinarySharesSharesIssued" xlink:label="loc_livn_OrdinarySharesSharesIssued_A23ACF7916EA71322C3E8CBBE8F2D5D7" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:to="loc_livn_OrdinarySharesSharesIssued_A23ACF7916EA71322C3E8CBBE8F2D5D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_232DB474B4D47258BC3D8CBBE8F2CA98" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_232DB474B4D47258BC3D8CBBE8F2CA98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_04DC985D850F2C07FCEF8CBBE8F2AC13" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_04DC985D850F2C07FCEF8CBBE8F2AC13" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_41E50179AC005764EBC08CBBE8F3640D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_41E50179AC005764EBC08CBBE8F3640D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_9E30FB398DFEBEA8A4118CBBE8F34E45" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_9E30FB398DFEBEA8A4118CBBE8F34E45" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_534F90D23D3E57D585948CBBE8F39316" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_534F90D23D3E57D585948CBBE8F39316" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_3A4B862B8B28D46E64AD8CBBE8F34076" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_3A4B862B8B28D46E64AD8CBBE8F34076" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_B792928CA24427B62E938CBBE8F3EA16" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_B792928CA24427B62E938CBBE8F3EA16" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6DB3E82D3559B77A3E388CBBE8F341D4" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6DB3E82D3559B77A3E388CBBE8F341D4" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedEquityInvestments" xlink:label="loc_livn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedEquityInvestments_5220A1A7682AB38451918CBBE8F3BF0B" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_livn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedEquityInvestments_5220A1A7682AB38451918CBBE8F3BF0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_BCBCF67613E2868DA9B78CBBE8F3175D" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_BCBCF67613E2868DA9B78CBBE8F3175D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent_3A75B60C110B789A2F1E8CBBE8F346B2" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent_3A75B60C110B789A2F1E8CBBE8F346B2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_B8DC49AFCBA4603F24DF8CBBE8F3210F" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_01FF6C7805DB9A058E3B8CBBE8F2D52A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_B8DC49AFCBA4603F24DF8CBBE8F3210F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_276AB9F9C692813196748CBBE8F3EE8A" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_276AB9F9C692813196748CBBE8F3EE8A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_505B3D5E78F0E60C97A68CBBE8F35F36" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_276AB9F9C692813196748CBBE8F3EE8A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_505B3D5E78F0E60C97A68CBBE8F35F36" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_90F12FEBE0D6E16089508CBBE8F3F5AE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_276AB9F9C692813196748CBBE8F3EE8A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_90F12FEBE0D6E16089508CBBE8F3F5AE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_CBC1B5BE53945EF5962F8CBBE8F30BC0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_276AB9F9C692813196748CBBE8F3EE8A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_CBC1B5BE53945EF5962F8CBBE8F30BC0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_DF72A19B3D9A47181D688CBBE8F3CAD5" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_276AB9F9C692813196748CBBE8F3EE8A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_DF72A19B3D9A47181D688CBBE8F3CAD5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_1BECCAE86580DCDD9B4B8CBBE8F35D9F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_276AB9F9C692813196748CBBE8F3EE8A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_1BECCAE86580DCDD9B4B8CBBE8F35D9F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_C8D6C57F867D3251BC458CBBE8F398EB" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_276AB9F9C692813196748CBBE8F3EE8A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_C8D6C57F867D3251BC458CBBE8F398EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_DC6CC571B4F817A7C6F18CBBE8F455E1" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_276AB9F9C692813196748CBBE8F3EE8A" xlink:to="loc_us-gaap_Goodwill_DC6CC571B4F817A7C6F18CBBE8F455E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionSharePrice" xlink:label="loc_us-gaap_BusinessAcquisitionSharePrice_45D872CD97A63D77D83F8CBBE8F4E061" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D9217BDC1CA2C118C6358CBBE8F2A111" xlink:to="loc_us-gaap_BusinessAcquisitionSharePrice_45D872CD97A63D77D83F8CBBE8F4E061" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BusinessCombinationsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3ED922173BA73D66FE0D94F34FFF7373" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3ED922173BA73D66FE0D94F34FFF7373" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ContingentConsiderationByTypeAxis" xlink:label="loc_us-gaap_ContingentConsiderationByTypeAxis_D07A00082B2F7A5AFF0E94F350008ACB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3ED922173BA73D66FE0D94F34FFF7373" xlink:to="loc_us-gaap_ContingentConsiderationByTypeAxis_D07A00082B2F7A5AFF0E94F350008ACB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ContingentConsiderationTypeDomain" xlink:label="loc_us-gaap_ContingentConsiderationTypeDomain_416A3D9CD96C92C7125194F35000EE70_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ContingentConsiderationByTypeAxis_D07A00082B2F7A5AFF0E94F350008ACB" xlink:to="loc_us-gaap_ContingentConsiderationTypeDomain_416A3D9CD96C92C7125194F35000EE70_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ContingentConsiderationTypeDomain" xlink:label="loc_us-gaap_ContingentConsiderationTypeDomain_416A3D9CD96C92C7125194F35000EE70" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ContingentConsiderationByTypeAxis_D07A00082B2F7A5AFF0E94F350008ACB" xlink:to="loc_us-gaap_ContingentConsiderationTypeDomain_416A3D9CD96C92C7125194F35000EE70" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_UncertainTaxPositionsMember" xlink:label="loc_livn_UncertainTaxPositionsMember_26C5392CAB7888EAD3DC94F350005C1C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContingentConsiderationTypeDomain_416A3D9CD96C92C7125194F35000EE70" xlink:to="loc_livn_UncertainTaxPositionsMember_26C5392CAB7888EAD3DC94F350005C1C" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_ContingentPaymentsMember" xlink:label="loc_livn_ContingentPaymentsMember_1B9E5CA39898D350790A94F35000BCFC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContingentConsiderationTypeDomain_416A3D9CD96C92C7125194F35000EE70" xlink:to="loc_livn_ContingentPaymentsMember_1B9E5CA39898D350790A94F35000BCFC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_BBDF61977B43B5F5921194F350007337" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3ED922173BA73D66FE0D94F34FFF7373" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_BBDF61977B43B5F5921194F350007337" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_9429AC60D94E203AB18694F35000399D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_BBDF61977B43B5F5921194F350007337" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_9429AC60D94E203AB18694F35000399D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_9429AC60D94E203AB18694F35000399D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_BBDF61977B43B5F5921194F350007337" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_9429AC60D94E203AB18694F35000399D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_31F08CA7D80B838488D794F35000A938" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_9429AC60D94E203AB18694F35000399D" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_31F08CA7D80B838488D794F35000A938" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_611A5FDB78A370559AA194F35000CF03" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3ED922173BA73D66FE0D94F34FFF7373" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_611A5FDB78A370559AA194F35000CF03" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BC839D2523185DF0A7A494F3500046E6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_611A5FDB78A370559AA194F35000CF03" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BC839D2523185DF0A7A494F3500046E6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BC839D2523185DF0A7A494F3500046E6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_611A5FDB78A370559AA194F35000CF03" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BC839D2523185DF0A7A494F3500046E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelatedIntangibleAssetsMember" xlink:label="loc_us-gaap_CustomerRelatedIntangibleAssetsMember_650E3D57B32F424D514E94F350006204" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BC839D2523185DF0A7A494F3500046E6" xlink:to="loc_us-gaap_CustomerRelatedIntangibleAssetsMember_650E3D57B32F424D514E94F350006204" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_2704D3654537A8E3E59894F35001DC99" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BC839D2523185DF0A7A494F3500046E6" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_2704D3654537A8E3E59894F35001DC99" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_5F0FA0231C6BC411558F94F350012D5A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BC839D2523185DF0A7A494F3500046E6" xlink:to="loc_us-gaap_TradeNamesMember_5F0FA0231C6BC411558F94F350012D5A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember" xlink:label="loc_us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember_3F9FABDBFE2BFA38C1BE94F35001349F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BC839D2523185DF0A7A494F3500046E6" xlink:to="loc_us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember_3F9FABDBFE2BFA38C1BE94F35001349F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_CC40410493816153472194F350010C4A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3ED922173BA73D66FE0D94F34FFF7373" xlink:to="loc_us-gaap_AwardTypeAxis_CC40410493816153472194F350010C4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1346E1C762476EDEB1F594F35001C1FD_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_CC40410493816153472194F350010C4A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1346E1C762476EDEB1F594F35001C1FD_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1346E1C762476EDEB1F594F35001C1FD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_CC40410493816153472194F350010C4A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1346E1C762476EDEB1F594F35001C1FD" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_ShareAwardMember" xlink:label="loc_livn_ShareAwardMember_707698C4CF3C7EE2EAD394F35001D190" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1346E1C762476EDEB1F594F35001C1FD" xlink:to="loc_livn_ShareAwardMember_707698C4CF3C7EE2EAD394F35001D190" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockAppreciationRightsSARSMember" xlink:label="loc_us-gaap_StockAppreciationRightsSARSMember_B34E298445672F51FD0C94F350019E15" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1346E1C762476EDEB1F594F35001C1FD" xlink:to="loc_us-gaap_StockAppreciationRightsSARSMember_B34E298445672F51FD0C94F350019E15" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_CF121ACB38C0DED5E52794F35001B743" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3ED922173BA73D66FE0D94F34FFF7373" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_CF121ACB38C0DED5E52794F35001B743" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A0AE8CC172CE9AA3C31B94F3500150C8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_CF121ACB38C0DED5E52794F35001B743" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A0AE8CC172CE9AA3C31B94F3500150C8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A0AE8CC172CE9AA3C31B94F3500150C8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_CF121ACB38C0DED5E52794F35001B743" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A0AE8CC172CE9AA3C31B94F3500150C8" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_847E853A337C76F5E7FB94F35001C825" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A0AE8CC172CE9AA3C31B94F3500150C8" xlink:to="loc_livn_MergerAgreementMember_847E853A337C76F5E7FB94F35001C825" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_7455E585F01587EF0B5794F35001D955" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3ED922173BA73D66FE0D94F34FFF7373" xlink:to="loc_dei_LegalEntityAxis_7455E585F01587EF0B5794F35001D955" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3E1280B7117732FD36BF94F350011355_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_7455E585F01587EF0B5794F35001D955" xlink:to="loc_dei_EntityDomain_3E1280B7117732FD36BF94F350011355_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3E1280B7117732FD36BF94F350011355" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_7455E585F01587EF0B5794F35001D955" xlink:to="loc_dei_EntityDomain_3E1280B7117732FD36BF94F350011355" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_LivaNovaPLCMember" xlink:label="loc_livn_LivaNovaPLCMember_ACD8DEA809C06CAE30CD94F35001BE45" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_3E1280B7117732FD36BF94F350011355" xlink:to="loc_livn_LivaNovaPLCMember_ACD8DEA809C06CAE30CD94F35001BE45" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_EBB38DDC0AACDE1201D194F350019EB9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_3E1280B7117732FD36BF94F350011355" xlink:to="loc_livn_SorinS.p.A.Member_EBB38DDC0AACDE1201D194F350019EB9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_044FA3A9602FC823F62E94F350026BAC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_044FA3A9602FC823F62E94F350026BAC" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio" xlink:label="loc_livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio_5C86879EBBF45C36251194F35002098A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio_5C86879EBBF45C36251194F35002098A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionSharePrice" xlink:label="loc_us-gaap_BusinessAcquisitionSharePrice_A7FCBAC719D6BAA19D8A94F3500288E4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_BusinessAcquisitionSharePrice_A7FCBAC719D6BAA19D8A94F3500288E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_ED6E1852E79F352587B494F3500201E6" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_ED6E1852E79F352587B494F3500201E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_C99B7AD447CB95E7D11494F350079DB6" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_C99B7AD447CB95E7D11494F350079DB6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_1D70911A815A3242169094F3500851C9" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_1D70911A815A3242169094F3500851C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_042C5D66C25775D9A55B94F350083641" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_042C5D66C25775D9A55B94F350083641" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_6DB123AF613016683E3894F35008F197" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_6DB123AF613016683E3894F35008F197" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_B95F1F311E43F759A5E194F35002470D" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_B95F1F311E43F759A5E194F35002470D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_B9B9A2D97D7B3BD1B6A794F350095C92" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_B9B9A2D97D7B3BD1B6A794F350095C92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_D2CFBA1847DDA14786A494F350093D0B" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_D2CFBA1847DDA14786A494F350093D0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_317B9A3AF6B311F8963D94F35009F3A9" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_317B9A3AF6B311F8963D94F35009F3A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfBusinessesAcquired" xlink:label="loc_us-gaap_NumberOfBusinessesAcquired_07CACFBC086B61DFC0BC94F35007381D" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_NumberOfBusinessesAcquired_07CACFBC086B61DFC0BC94F35007381D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_5E67B28493EEE113234594F350074B11" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_5E67B28493EEE113234594F350074B11" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationIntegrationRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_37BB4D4B5018E3ACA25494F35008A732" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_D67D3407C4C7CADF863A94F35001D08B" xlink:to="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_37BB4D4B5018E3ACA25494F35008A732" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/CommitmentsAndContingenciesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCommitmentsLineItems" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCommitmentsTable" xlink:label="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_3C765094F2F02749ABD3881759AC7796" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:to="loc_us-gaap_StatementGeographicalAxis_3C765094F2F02749ABD3881759AC7796" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_807FDE2EC64F82A021D8881759BA29A6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_3C765094F2F02749ABD3881759AC7796" xlink:to="loc_us-gaap_SegmentGeographicalDomain_807FDE2EC64F82A021D8881759BA29A6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_807FDE2EC64F82A021D8881759BA29A6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_3C765094F2F02749ABD3881759AC7796" xlink:to="loc_us-gaap_SegmentGeographicalDomain_807FDE2EC64F82A021D8881759BA29A6" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_MunichGermanyMember" xlink:label="loc_livn_MunichGermanyMember_81EB08E7AC33D27271BE8817CC132097" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_807FDE2EC64F82A021D8881759BA29A6" xlink:to="loc_livn_MunichGermanyMember_81EB08E7AC33D27271BE8817CC132097" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainContingenciesByNatureAxis" xlink:label="loc_us-gaap_GainContingenciesByNatureAxis_3E667CE7AB0C7418B87E870502613B7A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:to="loc_us-gaap_GainContingenciesByNatureAxis_3E667CE7AB0C7418B87E870502613B7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainContingencyNatureDomain" xlink:label="loc_us-gaap_GainContingencyNatureDomain_0610931304CCEF2EFCA4870502661A3F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GainContingenciesByNatureAxis_3E667CE7AB0C7418B87E870502613B7A" xlink:to="loc_us-gaap_GainContingencyNatureDomain_0610931304CCEF2EFCA4870502661A3F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainContingencyNatureDomain" xlink:label="loc_us-gaap_GainContingencyNatureDomain_0610931304CCEF2EFCA4870502661A3F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GainContingenciesByNatureAxis_3E667CE7AB0C7418B87E870502613B7A" xlink:to="loc_us-gaap_GainContingencyNatureDomain_0610931304CCEF2EFCA4870502661A3F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PositiveOutcomeOfLitigationMember" xlink:label="loc_us-gaap_PositiveOutcomeOfLitigationMember_3782994AA4E75EDE5BA5870502664B13" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GainContingencyNatureDomain_0610931304CCEF2EFCA4870502661A3F" xlink:to="loc_us-gaap_PositiveOutcomeOfLitigationMember_3782994AA4E75EDE5BA5870502664B13" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="loc_us-gaap_LitigationCaseAxis_5B46D5B6E1AE4D64E55A870502664D3C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:to="loc_us-gaap_LitigationCaseAxis_5B46D5B6E1AE4D64E55A870502664D3C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_1EECCBBF08D504B7F56987050266C249_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationCaseAxis_5B46D5B6E1AE4D64E55A870502664D3C" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_1EECCBBF08D504B7F56987050266C249_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_1EECCBBF08D504B7F56987050266C249" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationCaseAxis_5B46D5B6E1AE4D64E55A870502664D3C" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_1EECCBBF08D504B7F56987050266C249" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_FDAWarningLetterMember" xlink:label="loc_livn_FDAWarningLetterMember_3BA1C696ECBC0E47675187050266B4DC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_1EECCBBF08D504B7F56987050266C249" xlink:to="loc_livn_FDAWarningLetterMember_3BA1C696ECBC0E47675187050266B4DC" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_BakerMilleretalv.LivaNovaPLCMember" xlink:label="loc_livn_BakerMilleretalv.LivaNovaPLCMember_6EC40817CE2939A1EA4B87050266A671" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_1EECCBBF08D504B7F56987050266C249" xlink:to="loc_livn_BakerMilleretalv.LivaNovaPLCMember_6EC40817CE2939A1EA4B87050266A671" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_AndrewHageryv.CyberonicsInc.Member" xlink:label="loc_livn_AndrewHageryv.CyberonicsInc.Member_E621AA45E437B23CAE85870502670F9E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_1EECCBBF08D504B7F56987050266C249" xlink:to="loc_livn_AndrewHageryv.CyberonicsInc.Member_E621AA45E437B23CAE85870502670F9E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationStatusAxis" xlink:label="loc_us-gaap_LitigationStatusAxis_7DDB1A0277023F294992870502679FC8" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:to="loc_us-gaap_LitigationStatusAxis_7DDB1A0277023F294992870502679FC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationStatusDomain" xlink:label="loc_us-gaap_LitigationStatusDomain_78200FE8920C3D8EA9A487050267EF41_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationStatusAxis_7DDB1A0277023F294992870502679FC8" xlink:to="loc_us-gaap_LitigationStatusDomain_78200FE8920C3D8EA9A487050267EF41_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationStatusDomain" xlink:label="loc_us-gaap_LitigationStatusDomain_78200FE8920C3D8EA9A487050267EF41" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationStatusAxis_7DDB1A0277023F294992870502679FC8" xlink:to="loc_us-gaap_LitigationStatusDomain_78200FE8920C3D8EA9A487050267EF41" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PendingLitigationMember" xlink:label="loc_us-gaap_PendingLitigationMember_5FA443F7034CBD6FD24B8705026703A6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_78200FE8920C3D8EA9A487050267EF41" xlink:to="loc_us-gaap_PendingLitigationMember_5FA443F7034CBD6FD24B8705026703A6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SettledLitigationMember" xlink:label="loc_us-gaap_SettledLitigationMember_3DA3432F3B520B2ED5988705026745B6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_78200FE8920C3D8EA9A487050267EF41" xlink:to="loc_us-gaap_SettledLitigationMember_3DA3432F3B520B2ED5988705026745B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ThreatenedLitigationMember" xlink:label="loc_us-gaap_ThreatenedLitigationMember_047D1AE524C131BD5F86870502674E21" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_78200FE8920C3D8EA9A487050267EF41" xlink:to="loc_us-gaap_ThreatenedLitigationMember_047D1AE524C131BD5F86870502674E21" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_9DD3C8F4F55E675F7C05870502675278" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:to="loc_us-gaap_RangeAxis_9DD3C8F4F55E675F7C05870502675278" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_BF86ADCB00D9BF0172C987050267705C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_9DD3C8F4F55E675F7C05870502675278" xlink:to="loc_us-gaap_RangeMember_BF86ADCB00D9BF0172C987050267705C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_BF86ADCB00D9BF0172C987050267705C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_9DD3C8F4F55E675F7C05870502675278" xlink:to="loc_us-gaap_RangeMember_BF86ADCB00D9BF0172C987050267705C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_863142C9EA533AB7D90C870502672E3C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_BF86ADCB00D9BF0172C987050267705C" xlink:to="loc_us-gaap_MaximumMember_863142C9EA533AB7D90C870502672E3C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_5EC857CC9F30F0352E6D870502677500" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_5EC857CC9F30F0352E6D870502677500" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_07396D00CA5EA400F32D87050267763A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_5EC857CC9F30F0352E6D870502677500" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_07396D00CA5EA400F32D87050267763A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_07396D00CA5EA400F32D87050267763A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_5EC857CC9F30F0352E6D870502677500" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_07396D00CA5EA400F32D87050267763A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_7B6F5B6339299A856BC48705026742B4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_07396D00CA5EA400F32D87050267763A" xlink:to="loc_us-gaap_SubsequentEventMember_7B6F5B6339299A856BC48705026742B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameAxis_0EDA4EA7F54A76CC9280870502674E87" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameAxis_0EDA4EA7F54A76CC9280870502674E87" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_3C326E908D1F1D0477D1870502679231_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_0EDA4EA7F54A76CC9280870502674E87" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_3C326E908D1F1D0477D1870502679231_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_3C326E908D1F1D0477D1870502679231" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_0EDA4EA7F54A76CC9280870502674E87" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_3C326E908D1F1D0477D1870502679231" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_RegionalInternalRevenueOfficeofLombardyMember" xlink:label="loc_livn_RegionalInternalRevenueOfficeofLombardyMember_608E9DEF8CFBA4FBBBA987050267F564" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_3C326E908D1F1D0477D1870502679231" xlink:to="loc_livn_RegionalInternalRevenueOfficeofLombardyMember_608E9DEF8CFBA4FBBBA987050267F564" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_DC2708D0BBD27720A86387050268E3F3" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CE42F0ED79ED7587B8A870502617CB7" xlink:to="loc_dei_LegalEntityAxis_DC2708D0BBD27720A86387050268E3F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_7B73116D97AA4FA022D687050268ADF2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_DC2708D0BBD27720A86387050268E3F3" xlink:to="loc_dei_EntityDomain_7B73116D97AA4FA022D687050268ADF2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_7B73116D97AA4FA022D687050268ADF2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_DC2708D0BBD27720A86387050268E3F3" xlink:to="loc_dei_EntityDomain_7B73116D97AA4FA022D687050268ADF2" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_F30E2A6151082667FA8287050268A7D2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_7B73116D97AA4FA022D687050268ADF2" xlink:to="loc_livn_SorinS.p.A.Member_F30E2A6151082667FA8287050268A7D2" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SNIAs.p.aMember" xlink:label="loc_livn_SNIAs.p.aMember_1BFE156ADD9D2141944388116C02B62C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_7B73116D97AA4FA022D687050268ADF2" xlink:to="loc_livn_SNIAs.p.aMember_1BFE156ADD9D2141944388116C02B62C" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.andSNIAs.p.aMember" xlink:label="loc_livn_SorinS.p.A.andSNIAs.p.aMember_9A0565EB2396BDE4F90687050268F4EF" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_7B73116D97AA4FA022D687050268ADF2" xlink:to="loc_livn_SorinS.p.A.andSNIAs.p.aMember_9A0565EB2396BDE4F90687050268F4EF" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_LossContingencyNumberofObservedNonConformities" xlink:label="loc_livn_LossContingencyNumberofObservedNonConformities_B1B45A17F902EB53EB548816AEBAC11C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_livn_LossContingencyNumberofObservedNonConformities_B1B45A17F902EB53EB548816AEBAC11C" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_LossContingencyEstimateofPossibleLossPercentofSales" xlink:label="loc_livn_LossContingencyEstimateofPossibleLossPercentofSales_1CAAAB7FE8115C3FE05D87050268F2DE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_livn_LossContingencyEstimateofPossibleLossPercentofSales_1CAAAB7FE8115C3FE05D87050268F2DE" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_LossContingencyNumberofPatients" xlink:label="loc_livn_LossContingencyNumberofPatients_C428AB3F3DE0EEB2A4CD87050268ECDC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_livn_LossContingencyNumberofPatients_C428AB3F3DE0EEB2A4CD87050268ECDC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityNoteSpinoffTransaction" xlink:label="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_94E09BA4B9950017F2338705026D4B54" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_94E09BA4B9950017F2338705026D4B54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_65DD90C2E2EF5AEF28FC880F7FDED2FF" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_65DD90C2E2EF5AEF28FC880F7FDED2FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationSettlementAmount" xlink:label="loc_us-gaap_LitigationSettlementAmount_F322A1BA81F5557253948705026D50BD" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_us-gaap_LitigationSettlementAmount_F322A1BA81F5557253948705026D50BD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingencyPendingClaimsNumber" xlink:label="loc_us-gaap_LossContingencyPendingClaimsNumber_05C1823021FEA2D8B5188705026DF184" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_us-gaap_LossContingencyPendingClaimsNumber_05C1823021FEA2D8B5188705026DF184" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_IncomeTaxExaminationOperatingLossesUnderDispute" xlink:label="loc_livn_IncomeTaxExaminationOperatingLossesUnderDispute_7FB6C97092C9C1D8D2988705026DE306" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_livn_IncomeTaxExaminationOperatingLossesUnderDispute_7FB6C97092C9C1D8D2988705026DE306" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_IncomeTaxExaminationNumberofInstallments" xlink:label="loc_livn_IncomeTaxExaminationNumberofInstallments_BD0AAF78E77721F038078705026DFCEB" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_livn_IncomeTaxExaminationNumberofInstallments_BD0AAF78E77721F038078705026DFCEB" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_LossContingencyNumberofAssessments" xlink:label="loc_livn_LossContingencyNumberofAssessments_D75D0D21E2968716B4068705026DB4F7" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_livn_LossContingencyNumberofAssessments_D75D0D21E2968716B4068705026DB4F7" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_LossContingencyNumberofJudgmentsAgainst" xlink:label="loc_livn_LossContingencyNumberofJudgmentsAgainst_490EB8EEF872D97CA8448705026D7E15" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_livn_LossContingencyNumberofJudgmentsAgainst_490EB8EEF872D97CA8448705026D7E15" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss" xlink:label="loc_us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss_BD8507B29E5D5BD7D67F8705026E7490" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss_BD8507B29E5D5BD7D67F8705026E7490" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="loc_us-gaap_OperatingLeasesRentExpenseNet_3102429D9CC0BC5DC9F88705026E7051" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_C520CB9663473967A794870502687318" xlink:to="loc_us-gaap_OperatingLeasesRentExpenseNet_3102429D9CC0BC5DC9F88705026E7051" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedBalanceSheets" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfIncomeLoss" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_F032A1E5EE3D72696E6E8D0EE9081481" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_7E83DF10002C9470E1198D0EE902C3CF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_F032A1E5EE3D72696E6E8D0EE9081481" xlink:to="loc_us-gaap_StatementTable_7E83DF10002C9470E1198D0EE902C3CF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_A58077CA9416C28CE4168D0EE9020B79" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_7E83DF10002C9470E1198D0EE902C3CF" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_A58077CA9416C28CE4168D0EE9020B79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_C7A88B4CC999BADC9C148D0EE902E6DF_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_A58077CA9416C28CE4168D0EE9020B79" xlink:to="loc_us-gaap_EquityComponentDomain_C7A88B4CC999BADC9C148D0EE902E6DF_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_C7A88B4CC999BADC9C148D0EE902E6DF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_A58077CA9416C28CE4168D0EE9020B79" xlink:to="loc_us-gaap_EquityComponentDomain_C7A88B4CC999BADC9C148D0EE902E6DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_05EA29D45226923122F28D0EE907358E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_C7A88B4CC999BADC9C148D0EE902E6DF" xlink:to="loc_us-gaap_CommonStockMember_05EA29D45226923122F28D0EE907358E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_107268D280D9C5FBE5F88D0EE9088743" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_C7A88B4CC999BADC9C148D0EE902E6DF" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_107268D280D9C5FBE5F88D0EE9088743" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_BC1EF8C88A4384872CA18D0EE90830D4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_C7A88B4CC999BADC9C148D0EE902E6DF" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_BC1EF8C88A4384872CA18D0EE90830D4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_8A58DA8C81B6C6D3696C8D0EE9083EDA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_C7A88B4CC999BADC9C148D0EE902E6DF" xlink:to="loc_us-gaap_RetainedEarningsMember_8A58DA8C81B6C6D3696C8D0EE9083EDA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_754A5F5EE77403A6C9068D0EE908F55B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F032A1E5EE3D72696E6E8D0EE9081481" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_754A5F5EE77403A6C9068D0EE908F55B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_4A425327DD0CE50B69988D0EE90890F1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_754A5F5EE77403A6C9068D0EE908F55B" xlink:to="loc_us-gaap_StockholdersEquity_4A425327DD0CE50B69988D0EE90890F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_EF3D5FBBC72124954D918D0EE908233C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_754A5F5EE77403A6C9068D0EE908F55B" xlink:to="loc_us-gaap_CommonStockSharesIssued_EF3D5FBBC72124954D918D0EE908233C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_34A38F644B23D636B9328D0EE908E74F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_754A5F5EE77403A6C9068D0EE908F55B" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_34A38F644B23D636B9328D0EE908E74F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_BB2714259B093A1708608D0EE908717E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_754A5F5EE77403A6C9068D0EE908F55B" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_BB2714259B093A1708608D0EE908717E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_9201AD64DD307699EF4B8D0EE909A198" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_754A5F5EE77403A6C9068D0EE908F55B" xlink:to="loc_us-gaap_NetIncomeLoss_9201AD64DD307699EF4B8D0EE909A198" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_7D499C871A78881777A78D0EE909B5CF" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_754A5F5EE77403A6C9068D0EE908F55B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_7D499C871A78881777A78D0EE909B5CF" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagement" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementAmountOfGainLossRecognizedInOciAndIncomeStatementDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_280DAB351A73368A81DD882879587D43" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_182B3EAAF9585D330846882879570E78" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_280DAB351A73368A81DD882879587D43" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_182B3EAAF9585D330846882879570E78" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_9EF136AA7A9985391CE088287957789D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_182B3EAAF9585D330846882879570E78" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_9EF136AA7A9985391CE088287957789D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_27CBF79B8AABEC18E42F8828795893A0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_9EF136AA7A9985391CE088287957789D" xlink:to="loc_us-gaap_HedgingRelationshipDomain_27CBF79B8AABEC18E42F8828795893A0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_27CBF79B8AABEC18E42F8828795893A0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_9EF136AA7A9985391CE088287957789D" xlink:to="loc_us-gaap_HedgingRelationshipDomain_27CBF79B8AABEC18E42F8828795893A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_9804E1281CA931DC164288287958D17A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_27CBF79B8AABEC18E42F8828795893A0" xlink:to="loc_us-gaap_CashFlowHedgingMember_9804E1281CA931DC164288287958D17A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_68D5934B7B5558CF5F79882879581A34" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_182B3EAAF9585D330846882879570E78" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_68D5934B7B5558CF5F79882879581A34" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_238447A015458582D0A18828795892EB_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_68D5934B7B5558CF5F79882879581A34" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_238447A015458582D0A18828795892EB_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_238447A015458582D0A18828795892EB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_68D5934B7B5558CF5F79882879581A34" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_238447A015458582D0A18828795892EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_5BE7B9DD4777B9AB22B08828795836EF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_238447A015458582D0A18828795892EB" xlink:to="loc_us-gaap_ForeignExchangeContractMember_5BE7B9DD4777B9AB22B08828795836EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_BA67EB7B85E5C555A28C882879581023" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_238447A015458582D0A18828795892EB" xlink:to="loc_us-gaap_InterestRateSwapMember_BA67EB7B85E5C555A28C882879581023" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_AE0C7B3ABB13CE54B00488287958E6E5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_182B3EAAF9585D330846882879570E78" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_AE0C7B3ABB13CE54B00488287958E6E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_F66ECE4E24CE41C8FAF98828795862DD_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_AE0C7B3ABB13CE54B00488287958E6E5" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_F66ECE4E24CE41C8FAF98828795862DD_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_F66ECE4E24CE41C8FAF98828795862DD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_AE0C7B3ABB13CE54B00488287958E6E5" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_F66ECE4E24CE41C8FAF98828795862DD" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_ForeignExchangeandOtherMember" xlink:label="loc_livn_ForeignExchangeandOtherMember_E0BBE8FBC29FFEE1706F8828795870FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_F66ECE4E24CE41C8FAF98828795862DD" xlink:to="loc_livn_ForeignExchangeandOtherMember_E0BBE8FBC29FFEE1706F8828795870FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_D474342311E3DAC4E814882879589784" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_F66ECE4E24CE41C8FAF98828795862DD" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_D474342311E3DAC4E814882879589784" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="loc_us-gaap_InterestExpenseMember_0B1EE37AD58FE7B03580882879582C51" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_F66ECE4E24CE41C8FAF98828795862DD" xlink:to="loc_us-gaap_InterestExpenseMember_0B1EE37AD58FE7B03580882879582C51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_39591C18D3EDAC633F18882879584F08" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_280DAB351A73368A81DD882879587D43" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_39591C18D3EDAC633F18882879584F08" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_491F72681B18665C0868882879583D94" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_280DAB351A73368A81DD882879587D43" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_491F72681B18665C0868882879583D94" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementFairValueOfDerivativeInstrumentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_439E2A2046FD4C4739B888392C61A5A0" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7F129FFF1070ADFDE4F688392C5F76F9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_439E2A2046FD4C4739B888392C61A5A0" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7F129FFF1070ADFDE4F688392C5F76F9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_0D9CA6315C0D194D57A188392C5F2066" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7F129FFF1070ADFDE4F688392C5F76F9" xlink:to="loc_us-gaap_HedgingDesignationAxis_0D9CA6315C0D194D57A188392C5F2066" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_02CED97DD050AF1457B088392C5FC692_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_0D9CA6315C0D194D57A188392C5F2066" xlink:to="loc_us-gaap_HedgingDesignationDomain_02CED97DD050AF1457B088392C5FC692_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_02CED97DD050AF1457B088392C5FC692" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_0D9CA6315C0D194D57A188392C5F2066" xlink:to="loc_us-gaap_HedgingDesignationDomain_02CED97DD050AF1457B088392C5FC692" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_F915C93ACEEEBC6FF7D388392C5F16B4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_02CED97DD050AF1457B088392C5FC692" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_F915C93ACEEEBC6FF7D388392C5F16B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_19D323F076108CF400B088392C60862C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_02CED97DD050AF1457B088392C5FC692" xlink:to="loc_us-gaap_NondesignatedMember_19D323F076108CF400B088392C60862C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_CBB828541778245332EC88392C6015FE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7F129FFF1070ADFDE4F688392C5F76F9" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_CBB828541778245332EC88392C6015FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_92A7B93648970B3974BF88392C60FDF3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_CBB828541778245332EC88392C6015FE" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_92A7B93648970B3974BF88392C60FDF3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_92A7B93648970B3974BF88392C60FDF3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_CBB828541778245332EC88392C6015FE" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_92A7B93648970B3974BF88392C60FDF3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccruedLiabilitiesMember" xlink:label="loc_us-gaap_AccruedLiabilitiesMember_B3543F685F53B03CEC2888392C6059A8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_92A7B93648970B3974BF88392C60FDF3" xlink:to="loc_us-gaap_AccruedLiabilitiesMember_B3543F685F53B03CEC2888392C6059A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_645AD40AA37E408ECD2788392C60A7B3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_92A7B93648970B3974BF88392C60FDF3" xlink:to="loc_us-gaap_OtherAssetsMember_645AD40AA37E408ECD2788392C60A7B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_2126403BCCC4BEE5581D88392C60EDB7" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_92A7B93648970B3974BF88392C60FDF3" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_2126403BCCC4BEE5581D88392C60EDB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_0277430CB57B0C5E533988392C608211" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7F129FFF1070ADFDE4F688392C5F76F9" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_0277430CB57B0C5E533988392C608211" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_70433A12AB248202EE5C88392C6018A5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0277430CB57B0C5E533988392C608211" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_70433A12AB248202EE5C88392C6018A5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_70433A12AB248202EE5C88392C6018A5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0277430CB57B0C5E533988392C608211" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_70433A12AB248202EE5C88392C6018A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_CC2A3A2E67E208FA21B288392C614E4A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_70433A12AB248202EE5C88392C6018A5" xlink:to="loc_us-gaap_InterestRateContractMember_CC2A3A2E67E208FA21B288392C614E4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_1A1A1C3E5FCBBB7D47F588392C610479" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_70433A12AB248202EE5C88392C6018A5" xlink:to="loc_us-gaap_ForeignExchangeContractMember_1A1A1C3E5FCBBB7D47F588392C610479" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_A8B2B61A66CA1EE7E0E288392C617C2B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_439E2A2046FD4C4739B888392C61A5A0" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_A8B2B61A66CA1EE7E0E288392C617C2B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementGainLossInConsolidatedStatementsOfIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_58A60B2A7642709EFF9C8828795C69A4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_E5E711C4425B9A63313F8828795C0DFA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_58A60B2A7642709EFF9C8828795C69A4" xlink:to="loc_us-gaap_DerivativeTable_E5E711C4425B9A63313F8828795C0DFA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_20EB7059DC16E43058798828795CFF23" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_E5E711C4425B9A63313F8828795C0DFA" xlink:to="loc_us-gaap_HedgingDesignationAxis_20EB7059DC16E43058798828795CFF23" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_72FBC2DB59A322107FFA8828795CB3E1_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_20EB7059DC16E43058798828795CFF23" xlink:to="loc_us-gaap_HedgingDesignationDomain_72FBC2DB59A322107FFA8828795CB3E1_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_72FBC2DB59A322107FFA8828795CB3E1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_20EB7059DC16E43058798828795CFF23" xlink:to="loc_us-gaap_HedgingDesignationDomain_72FBC2DB59A322107FFA8828795CB3E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_1634011869ABC6A9C66D8828795CB723" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_72FBC2DB59A322107FFA8828795CB3E1" xlink:to="loc_us-gaap_NondesignatedMember_1634011869ABC6A9C66D8828795CB723" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_817D4A533EB80F0EBDE28828795CB1CE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_E5E711C4425B9A63313F8828795C0DFA" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_817D4A533EB80F0EBDE28828795CB1CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_68C027FDBFF4F62571B88828795C9D8E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_817D4A533EB80F0EBDE28828795CB1CE" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_68C027FDBFF4F62571B88828795C9D8E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_68C027FDBFF4F62571B88828795C9D8E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_817D4A533EB80F0EBDE28828795CB1CE" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_68C027FDBFF4F62571B88828795C9D8E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_E8B8CCE4E8545CBE55448828795C2784" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_68C027FDBFF4F62571B88828795C9D8E" xlink:to="loc_us-gaap_ForeignExchangeContractMember_E8B8CCE4E8545CBE55448828795C2784" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_0F617BBE63CE109032FD8828795C4637" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_E5E711C4425B9A63313F8828795C0DFA" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_0F617BBE63CE109032FD8828795C4637" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_6CB3143619D39D84D0E88828795C80DE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_0F617BBE63CE109032FD8828795C4637" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_6CB3143619D39D84D0E88828795C80DE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_6CB3143619D39D84D0E88828795C80DE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_0F617BBE63CE109032FD8828795C4637" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_6CB3143619D39D84D0E88828795C80DE" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_ForeignExchangeandOtherMember" xlink:label="loc_livn_ForeignExchangeandOtherMember_473198D6CE8CFE437B548828795C7AFB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6CB3143619D39D84D0E88828795C80DE" xlink:to="loc_livn_ForeignExchangeandOtherMember_473198D6CE8CFE437B548828795C7AFB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_2E80529A9D0F6771169C8828795C1651" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_58A60B2A7642709EFF9C8828795C69A4" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_2E80529A9D0F6771169C8828795C1651" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_3267826F7B0C1B2B442188392C73DAF7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:to="loc_us-gaap_DerivativeTable_3267826F7B0C1B2B442188392C73DAF7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_004D59D532DF9D68D06188392C736E4B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3267826F7B0C1B2B442188392C73DAF7" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_004D59D532DF9D68D06188392C736E4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_3FEF1FEEDAB88CBE3A7088392C7395C7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_004D59D532DF9D68D06188392C736E4B" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_3FEF1FEEDAB88CBE3A7088392C7395C7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_3FEF1FEEDAB88CBE3A7088392C7395C7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_004D59D532DF9D68D06188392C736E4B" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_3FEF1FEEDAB88CBE3A7088392C7395C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_A3FC763B5D96F1B61FDB88392C739C17" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3267826F7B0C1B2B442188392C73DAF7" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_A3FC763B5D96F1B61FDB88392C739C17" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_8C000A87594841B2ACC388392C7347DC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_A3FC763B5D96F1B61FDB88392C739C17" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_8C000A87594841B2ACC388392C7347DC_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_8C000A87594841B2ACC388392C7347DC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_A3FC763B5D96F1B61FDB88392C739C17" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_8C000A87594841B2ACC388392C7347DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_E59A331B162A33CE924A88392C734D5C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3267826F7B0C1B2B442188392C73DAF7" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_E59A331B162A33CE924A88392C734D5C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_DB5D230C5FF0D6CDE02888392C73871E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_E59A331B162A33CE924A88392C734D5C" xlink:to="loc_us-gaap_HedgingRelationshipDomain_DB5D230C5FF0D6CDE02888392C73871E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_DB5D230C5FF0D6CDE02888392C73871E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_E59A331B162A33CE924A88392C734D5C" xlink:to="loc_us-gaap_HedgingRelationshipDomain_DB5D230C5FF0D6CDE02888392C73871E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_B69F8D2A14AB7CFEA5EA88392C73951D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_DB5D230C5FF0D6CDE02888392C73871E" xlink:to="loc_us-gaap_CashFlowHedgingMember_B69F8D2A14AB7CFEA5EA88392C73951D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_2E8D2B389AA227C6CCA688392C737E07" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3267826F7B0C1B2B442188392C73DAF7" xlink:to="loc_dei_LegalEntityAxis_2E8D2B389AA227C6CCA688392C737E07" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_0C3C1A47C6274E5C86EB88392C733750_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_2E8D2B389AA227C6CCA688392C737E07" xlink:to="loc_dei_EntityDomain_0C3C1A47C6274E5C86EB88392C733750_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_0C3C1A47C6274E5C86EB88392C733750" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_2E8D2B389AA227C6CCA688392C737E07" xlink:to="loc_dei_EntityDomain_0C3C1A47C6274E5C86EB88392C733750" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_8FAACA064DB2CADEFEC488392C73AE11" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_0C3C1A47C6274E5C86EB88392C733750" xlink:to="loc_livn_SorinS.p.A.Member_8FAACA064DB2CADEFEC488392C73AE11" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_52C89D8EB205307F062188392C744DD8" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3267826F7B0C1B2B442188392C73DAF7" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_52C89D8EB205307F062188392C744DD8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_DC008D9628B392FDB3D588392C748434_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_52C89D8EB205307F062188392C744DD8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_DC008D9628B392FDB3D588392C748434_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_DC008D9628B392FDB3D588392C748434" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_52C89D8EB205307F062188392C744DD8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_DC008D9628B392FDB3D588392C748434" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_A01A5BDC3CE37F988ECB88392C74FB4B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_DC008D9628B392FDB3D588392C748434" xlink:to="loc_us-gaap_ForeignExchangeContractMember_A01A5BDC3CE37F988ECB88392C74FB4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeForwardMember" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_5AA82F79CABBD13DDC7188392C74886B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForeignExchangeContractMember_A01A5BDC3CE37F988ECB88392C74FB4B" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_5AA82F79CABBD13DDC7188392C74886B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_3F74EF49E3481C4C9CF288392C74FF95" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_DC008D9628B392FDB3D588392C748434" xlink:to="loc_us-gaap_InterestRateSwapMember_3F74EF49E3481C4C9CF288392C74FF95" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_13A125DF51C3F8F5553088392C741775" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3267826F7B0C1B2B442188392C73DAF7" xlink:to="loc_us-gaap_HedgingDesignationAxis_13A125DF51C3F8F5553088392C741775" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_1B0325F1466728AF9D5188392C74F961_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_13A125DF51C3F8F5553088392C741775" xlink:to="loc_us-gaap_HedgingDesignationDomain_1B0325F1466728AF9D5188392C74F961_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_1B0325F1466728AF9D5188392C74F961" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_13A125DF51C3F8F5553088392C741775" xlink:to="loc_us-gaap_HedgingDesignationDomain_1B0325F1466728AF9D5188392C74F961" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_8E4F48E56A70554CE88488392C74187E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_1B0325F1466728AF9D5188392C74F961" xlink:to="loc_us-gaap_NondesignatedMember_8E4F48E56A70554CE88488392C74187E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_1A6D5A74BC8E3D2E224688392C74D2A3" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3267826F7B0C1B2B442188392C73DAF7" xlink:to="loc_us-gaap_RangeAxis_1A6D5A74BC8E3D2E224688392C74D2A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_7090DCE5D8D8C6A625A888392C742113_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_1A6D5A74BC8E3D2E224688392C74D2A3" xlink:to="loc_us-gaap_RangeMember_7090DCE5D8D8C6A625A888392C742113_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_7090DCE5D8D8C6A625A888392C742113" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_1A6D5A74BC8E3D2E224688392C74D2A3" xlink:to="loc_us-gaap_RangeMember_7090DCE5D8D8C6A625A888392C742113" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_DFA1CB2920D2AD9800BB88392C74DE6F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_7090DCE5D8D8C6A625A888392C742113" xlink:to="loc_us-gaap_MinimumMember_DFA1CB2920D2AD9800BB88392C74DE6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_DD4C5C13961E45A9D60688392C74EA6A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_7090DCE5D8D8C6A625A888392C742113" xlink:to="loc_us-gaap_MaximumMember_DD4C5C13961E45A9D60688392C74EA6A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_0E8C536FD1B6DD6A752B88392C7400A5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:to="loc_invest_DerivativeNotionalAmount_0E8C536FD1B6DD6A752B88392C7400A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTermOfContract" xlink:label="loc_us-gaap_DerivativeTermOfContract_7791AC07EF9213E2CD6688392C7520B3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:to="loc_us-gaap_DerivativeTermOfContract_7791AC07EF9213E2CD6688392C7520B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_802FF2811BDF997FEE7188392C75EAEB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_802FF2811BDF997FEE7188392C75EAEB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_3B695E066B3BD46DF69F88392C75336D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_3B695E066B3BD46DF69F88392C75336D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_8E1255DD500C8E94DD5A88392C7532C9" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_8E1255DD500C8E94DD5A88392C7532C9" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_DiscontinuationofForeignCurrencyCashFlowHedgeValue" xlink:label="loc_livn_DiscontinuationofForeignCurrencyCashFlowHedgeValue_AFD2F029CBEF3982CB7B887B14CD8F63" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:to="loc_livn_DiscontinuationofForeignCurrencyCashFlowHedgeValue_AFD2F029CBEF3982CB7B887B14CD8F63" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDiscontinuationOfForeignCurrencyCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet" xlink:label="loc_us-gaap_GainLossOnDiscontinuationOfForeignCurrencyCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_0C13274D25A7B8103C8D88392C75B2E9" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:to="loc_us-gaap_GainLossOnDiscontinuationOfForeignCurrencyCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_0C13274D25A7B8103C8D88392C75B2E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_1E90A619C4B5763A352088392C75A753" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_4AC43267DFA5EC3754EB88392C7412EB" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_1E90A619C4B5763A352088392C75A753" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansFairValueOfRetirementBenefitPlanAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_E195F4B58D3853CB34D78705019B5EF4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_266E1DB39815258CA8F7870501959518" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_E195F4B58D3853CB34D78705019B5EF4" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_266E1DB39815258CA8F7870501959518" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_76A063D0E5679A21C2A0870501951486" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_266E1DB39815258CA8F7870501959518" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_76A063D0E5679A21C2A0870501951486" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_BC55E29110D351C27F1887050195D53E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_76A063D0E5679A21C2A0870501951486" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_BC55E29110D351C27F1887050195D53E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_BC55E29110D351C27F1887050195D53E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_76A063D0E5679A21C2A0870501951486" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_BC55E29110D351C27F1887050195D53E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:label="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_953CDBCD3CF036C6DCB3870501958FF3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_BC55E29110D351C27F1887050195D53E" xlink:to="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_953CDBCD3CF036C6DCB3870501958FF3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_97F5D8D161A85ECE489A87050195A2FE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_266E1DB39815258CA8F7870501959518" xlink:to="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_97F5D8D161A85ECE489A87050195A2FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_DF35CD8E5ED9EA2037148705019B7774_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_97F5D8D161A85ECE489A87050195A2FE" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_DF35CD8E5ED9EA2037148705019B7774_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_DF35CD8E5ED9EA2037148705019B7774" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_97F5D8D161A85ECE489A87050195A2FE" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_DF35CD8E5ED9EA2037148705019B7774" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_EquityMutualFundsMember" xlink:label="loc_livn_EquityMutualFundsMember_4E9AF70458B8F150FE8E8705019B15BC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_DF35CD8E5ED9EA2037148705019B7774" xlink:to="loc_livn_EquityMutualFundsMember_4E9AF70458B8F150FE8E8705019B15BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FixedIncomeFundsMember" xlink:label="loc_us-gaap_FixedIncomeFundsMember_59BFAD5F021BC0110F6B8705019B697C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_DF35CD8E5ED9EA2037148705019B7774" xlink:to="loc_us-gaap_FixedIncomeFundsMember_59BFAD5F021BC0110F6B8705019B697C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_B68E83714ACAE715688C8705019B60C6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_DF35CD8E5ED9EA2037148705019B7774" xlink:to="loc_us-gaap_MoneyMarketFundsMember_B68E83714ACAE715688C8705019B60C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_521D031F77978E27FA278705019B513D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_266E1DB39815258CA8F7870501959518" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_521D031F77978E27FA278705019B513D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6F74C3948211CE4FE6FD8705019BDD2F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_521D031F77978E27FA278705019B513D" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6F74C3948211CE4FE6FD8705019BDD2F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6F74C3948211CE4FE6FD8705019BDD2F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_521D031F77978E27FA278705019B513D" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6F74C3948211CE4FE6FD8705019BDD2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_68539CC7D48C15EB98298705019BF27A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6F74C3948211CE4FE6FD8705019BDD2F" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_68539CC7D48C15EB98298705019BF27A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_645CA6CFA0BBCDFD7FBF8705019B4922" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6F74C3948211CE4FE6FD8705019BDD2F" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_645CA6CFA0BBCDFD7FBF8705019B4922" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_462882699CDA52788BEF8705019B76B0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6F74C3948211CE4FE6FD8705019BDD2F" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_462882699CDA52788BEF8705019B76B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_5B57983933A360A19A818705019BC0A5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_E195F4B58D3853CB34D78705019B5EF4" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_5B57983933A360A19A818705019BC0A5" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansNarrativeDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansNetPeriodicBenefitCostOfPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_668EF548E04ABAF6D620870501B06C3F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_FFE2B0C0AF2BD9E8631E870501AF2853" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_668EF548E04ABAF6D620870501B06C3F" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_FFE2B0C0AF2BD9E8631E870501AF2853" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_F977D2DEA95225879A9F870501AF1D87" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_FFE2B0C0AF2BD9E8631E870501AF2853" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_F977D2DEA95225879A9F870501AF1D87" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_32430C7822B2DE2C211B870501AFCE28_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_F977D2DEA95225879A9F870501AF1D87" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_32430C7822B2DE2C211B870501AFCE28_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_32430C7822B2DE2C211B870501AFCE28" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_F977D2DEA95225879A9F870501AF1D87" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_32430C7822B2DE2C211B870501AFCE28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:label="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_B5AD56B6B251E52DB465870501B0429B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_32430C7822B2DE2C211B870501AFCE28" xlink:to="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_B5AD56B6B251E52DB465870501B0429B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_F6EB1F3DD9AFE7E31B37870501B018E4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_32430C7822B2DE2C211B870501AFCE28" xlink:to="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_F6EB1F3DD9AFE7E31B37870501B018E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_DEB836E81B6082D7DE09870501B00D3B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_668EF548E04ABAF6D620870501B06C3F" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_DEB836E81B6082D7DE09870501B00D3B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_74B635C1753706D7FD6D870501B0C98E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_668EF548E04ABAF6D620870501B06C3F" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_74B635C1753706D7FD6D870501B0C98E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_51383A8514BB1D5C1C80870501B0B20B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_668EF548E04ABAF6D620870501B06C3F" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_51383A8514BB1D5C1C80870501B0B20B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_C8AFF756D53D1CEB0085870501B0969E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_668EF548E04ABAF6D620870501B06C3F" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_C8AFF756D53D1CEB0085870501B0969E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_52A974CE22C1DBB005F3870501B07328" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_668EF548E04ABAF6D620870501B06C3F" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_52A974CE22C1DBB005F3870501B07328" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_A42224325D6C14E3D35D870501B066D1" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_668EF548E04ABAF6D620870501B06C3F" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_A42224325D6C14E3D35D870501B066D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_BB4D14489A7A6807BE7E870501B046E7" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_668EF548E04ABAF6D620870501B06C3F" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_BB4D14489A7A6807BE7E870501B046E7" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FairValueMeasurements" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FairValueMeasurementsFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_017F1C556C831C543B6982EF073B23E1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7E60D35EC28648261FD382EF073A9021" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_017F1C556C831C543B6982EF073B23E1" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7E60D35EC28648261FD382EF073A9021" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_CE92F441C80AEFFD4DCD82EF073A36FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7E60D35EC28648261FD382EF073A9021" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_CE92F441C80AEFFD4DCD82EF073A36FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_B4440DE92F0A52E086B482EF073AE373_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_CE92F441C80AEFFD4DCD82EF073A36FE" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_B4440DE92F0A52E086B482EF073AE373_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_B4440DE92F0A52E086B482EF073AE373" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_CE92F441C80AEFFD4DCD82EF073A36FE" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_B4440DE92F0A52E086B482EF073AE373" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_55CADE19E3037C09285D82EF073A8FCC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_B4440DE92F0A52E086B482EF073AE373" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_55CADE19E3037C09285D82EF073A8FCC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_C88019605C3621A1901382EF073A43D9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7E60D35EC28648261FD382EF073A9021" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_C88019605C3621A1901382EF073A43D9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A218E0210F73D256489082EF073ACE9D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_C88019605C3621A1901382EF073A43D9" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A218E0210F73D256489082EF073ACE9D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A218E0210F73D256489082EF073ACE9D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_C88019605C3621A1901382EF073A43D9" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A218E0210F73D256489082EF073ACE9D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_9DC0C2299627A520BD8682EF073A67AA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A218E0210F73D256489082EF073ACE9D" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_9DC0C2299627A520BD8682EF073A67AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_3C3BEBBFF05CC85249DA82EF073A0CFE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A218E0210F73D256489082EF073ACE9D" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_3C3BEBBFF05CC85249DA82EF073A0CFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_348D581A5EF64E48D62E82EF073AF3DB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A218E0210F73D256489082EF073ACE9D" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_348D581A5EF64E48D62E82EF073AF3DB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_B11D75586676E2884FD782EF073A7841" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7E60D35EC28648261FD382EF073A9021" xlink:to="loc_us-gaap_HedgingDesignationAxis_B11D75586676E2884FD782EF073A7841" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_809C3BFE0894A9A3049A82EF073A503C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_B11D75586676E2884FD782EF073A7841" xlink:to="loc_us-gaap_HedgingDesignationDomain_809C3BFE0894A9A3049A82EF073A503C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_809C3BFE0894A9A3049A82EF073A503C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_B11D75586676E2884FD782EF073A7841" xlink:to="loc_us-gaap_HedgingDesignationDomain_809C3BFE0894A9A3049A82EF073A503C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_A1ECF6F6D080BE61DE0E82EF073AF805" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_809C3BFE0894A9A3049A82EF073A503C" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_A1ECF6F6D080BE61DE0E82EF073AF805" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_A7A818BD37B802BC09DF82EF073A4755" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_809C3BFE0894A9A3049A82EF073A503C" xlink:to="loc_us-gaap_NondesignatedMember_A7A818BD37B802BC09DF82EF073A4755" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_F10334C2949B65BDEDD582EF073BC6D9" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7E60D35EC28648261FD382EF073A9021" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_F10334C2949B65BDEDD582EF073BC6D9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1F684F9529DB63CF39AD82EF073B37F8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_F10334C2949B65BDEDD582EF073BC6D9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1F684F9529DB63CF39AD82EF073B37F8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1F684F9529DB63CF39AD82EF073B37F8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_F10334C2949B65BDEDD582EF073BC6D9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1F684F9529DB63CF39AD82EF073B37F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_E472E33B536973480D8582EF073B5070" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1F684F9529DB63CF39AD82EF073B37F8" xlink:to="loc_us-gaap_ForeignExchangeContractMember_E472E33B536973480D8582EF073B5070" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_F8EBE0F52740D0E1D8AD82EF073B9023" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1F684F9529DB63CF39AD82EF073B37F8" xlink:to="loc_us-gaap_InterestRateContractMember_F8EBE0F52740D0E1D8AD82EF073B9023" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_1A3E507ACC4D650556C882EF073B6D82" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_017F1C556C831C543B6982EF073B23E1" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_1A3E507ACC4D650556C882EF073B6D82" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_438C32ABEA48223ADE4182EF073B9975" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_1A3E507ACC4D650556C882EF073B6D82" xlink:to="loc_us-gaap_DerivativeAssets_438C32ABEA48223ADE4182EF073B9975" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_1AB0E4021C9C512A1B7082EF073B6505" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_1A3E507ACC4D650556C882EF073B6D82" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_1AB0E4021C9C512A1B7082EF073B6505" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract" xlink:label="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_94D6A89009291A66436782EF073BA667" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_017F1C556C831C543B6982EF073B23E1" xlink:to="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_94D6A89009291A66436782EF073BA667" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_89178484F111508FF7FD82EF073B17A2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_94D6A89009291A66436782EF073BA667" xlink:to="loc_us-gaap_DerivativeLiabilities_89178484F111508FF7FD82EF073B17A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccruedLiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_AccruedLiabilitiesFairValueDisclosure_CCED928323136B19257682EF073BAB54" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_94D6A89009291A66436782EF073BA667" xlink:to="loc_us-gaap_AccruedLiabilitiesFairValueDisclosure_CCED928323136B19257682EF073BAB54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_58B6511E78AF03EB6FE582EF073B3F4A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_94D6A89009291A66436782EF073BA667" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_58B6511E78AF03EB6FE582EF073B3F4A" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_F0BBB9B41A77182933628CFFC16BFAC6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3734356DC04370ADB6948CFFC16A2FFB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_F0BBB9B41A77182933628CFFC16BFAC6" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3734356DC04370ADB6948CFFC16A2FFB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_B826498C4A7246C03BB78CFFC16BC94E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3734356DC04370ADB6948CFFC16A2FFB" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_B826498C4A7246C03BB78CFFC16BC94E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FCEA1B4A940D730708528CFFC16B1F7C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_B826498C4A7246C03BB78CFFC16BC94E" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FCEA1B4A940D730708528CFFC16B1F7C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FCEA1B4A940D730708528CFFC16B1F7C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_B826498C4A7246C03BB78CFFC16BC94E" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FCEA1B4A940D730708528CFFC16B1F7C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_6D1B705720B3D427D8BC8CFFC16B7B37" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FCEA1B4A940D730708528CFFC16B1F7C" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_6D1B705720B3D427D8BC8CFFC16B7B37" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8F20FA9B2322D8DA1D908CFFC16B8A2F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3734356DC04370ADB6948CFFC16A2FFB" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8F20FA9B2322D8DA1D908CFFC16B8A2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_F4722957E31913039FC38CFFC16B1C01_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8F20FA9B2322D8DA1D908CFFC16B8A2F" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_F4722957E31913039FC38CFFC16B1C01_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_F4722957E31913039FC38CFFC16B1C01" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8F20FA9B2322D8DA1D908CFFC16B8A2F" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_F4722957E31913039FC38CFFC16B1C01" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_9B9EFAB57F785EAA61E38CFFC16B7023" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_F4722957E31913039FC38CFFC16B1C01" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_9B9EFAB57F785EAA61E38CFFC16B7023" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9979953E47167DED3A058CFFC16B0DF1" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3734356DC04370ADB6948CFFC16A2FFB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9979953E47167DED3A058CFFC16B0DF1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_86438B94D7766AE67FFD8CFFC16BBD41_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9979953E47167DED3A058CFFC16B0DF1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_86438B94D7766AE67FFD8CFFC16BBD41_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_86438B94D7766AE67FFD8CFFC16BBD41" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9979953E47167DED3A058CFFC16B0DF1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_86438B94D7766AE67FFD8CFFC16BBD41" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InProcessResearchAndDevelopmentMember" xlink:label="loc_us-gaap_InProcessResearchAndDevelopmentMember_ABD74FB163294D61C2938CFFC16B7E30" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_86438B94D7766AE67FFD8CFFC16BBD41" xlink:to="loc_us-gaap_InProcessResearchAndDevelopmentMember_ABD74FB163294D61C2938CFFC16B7E30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_9DADDCB83EF2CA1A19918CFFC16B8114" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3734356DC04370ADB6948CFFC16A2FFB" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_9DADDCB83EF2CA1A19918CFFC16B8114" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0A583ACF9CDDCFA2F88CFFC16B4357_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_9DADDCB83EF2CA1A19918CFFC16B8114" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0A583ACF9CDDCFA2F88CFFC16B4357_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0A583ACF9CDDCFA2F88CFFC16B4357" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_9DADDCB83EF2CA1A19918CFFC16B8114" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0A583ACF9CDDCFA2F88CFFC16B4357" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentMember" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentMember_208266B6CEE3B736FC438CFFC16BC546" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0A583ACF9CDDCFA2F88CFFC16B4357" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentMember_208266B6CEE3B736FC438CFFC16BC546" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_031AB034C066CF3ADEBC8CFFC16B32EB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F0BBB9B41A77182933628CFFC16BFAC6" xlink:to="loc_us-gaap_Goodwill_031AB034C066CF3ADEBC8CFFC16B32EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment" xlink:label="loc_us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment_7820958EA2D7C92F09C98CFFC16CE4D5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F0BBB9B41A77182933628CFFC16BFAC6" xlink:to="loc_us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment_7820958EA2D7C92F09C98CFFC16CE4D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_F23945E436D038D6A5E68CFFC16CDFC5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F0BBB9B41A77182933628CFFC16BFAC6" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_F23945E436D038D6A5E68CFFC16CDFC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAmountOfImpairmentLoss" xlink:label="loc_us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAmountOfImpairmentLoss_E09264406DB61B050C828CFFC16CE9AD" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F0BBB9B41A77182933628CFFC16BFAC6" xlink:to="loc_us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAmountOfImpairmentLoss_E09264406DB61B050C828CFFC16CE9AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_560BFF5392043D95DE638CFFC16C0262" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F0BBB9B41A77182933628CFFC16BFAC6" xlink:to="loc_us-gaap_LongTermDebt_560BFF5392043D95DE638CFFC16C0262" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangements" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangementsLongTermDebtOutstandingDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_2DD68995DFB9E65ED72A870502E018A5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_ADBD245EB08EFF943E0B870502DEDC0F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2DD68995DFB9E65ED72A870502E018A5" xlink:to="loc_us-gaap_DebtInstrumentTable_ADBD245EB08EFF943E0B870502DEDC0F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_504D84E99141585DF9E7870502DE059A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ADBD245EB08EFF943E0B870502DEDC0F" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_504D84E99141585DF9E7870502DE059A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_E64AE07CAF46816938A2870502DEE242_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_504D84E99141585DF9E7870502DE059A" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_E64AE07CAF46816938A2870502DEE242_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_E64AE07CAF46816938A2870502DEE242" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_504D84E99141585DF9E7870502DE059A" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_E64AE07CAF46816938A2870502DEE242" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_4D368019510305964379870502DF1423" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_E64AE07CAF46816938A2870502DEE242" xlink:to="loc_us-gaap_LoansPayableMember_4D368019510305964379870502DF1423" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_1509B9E60FB8B93ACAB3870502DF8F7F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ADBD245EB08EFF943E0B870502DEDC0F" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_1509B9E60FB8B93ACAB3870502DF8F7F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_1509B9E60FB8B93ACAB3870502DF8F7F" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_1509B9E60FB8B93ACAB3870502DF8F7F" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_EuropeanInvestmentBankMember" xlink:label="loc_livn_EuropeanInvestmentBankMember_62C3F61F5F8AD9877B33870502DF62D9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170" xlink:to="loc_livn_EuropeanInvestmentBankMember_62C3F61F5F8AD9877B33870502DF62D9" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_BancadelMezzogiornoMember" xlink:label="loc_livn_BancadelMezzogiornoMember_75913AC12FF9A700A84E870502DF857F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170" xlink:to="loc_livn_BancadelMezzogiornoMember_75913AC12FF9A700A84E870502DF857F" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_BpifranceMember" xlink:label="loc_livn_BpifranceMember_605E88491FC67C3D1DEA870502DFBFF4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170" xlink:to="loc_livn_BpifranceMember_605E88491FC67C3D1DEA870502DFBFF4" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_NovaliaSAMember" xlink:label="loc_livn_NovaliaSAMember_B7AAD6844D657B326D45870502DF7202" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170" xlink:to="loc_livn_NovaliaSAMember_B7AAD6844D657B326D45870502DF7202" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_MediocreditoItalianoMember" xlink:label="loc_livn_MediocreditoItalianoMember_4516F052168271F5122D870502DF82A0" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170" xlink:to="loc_livn_MediocreditoItalianoMember_4516F052168271F5122D870502DF82A0" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_CassaDepositiePrestitiMember" xlink:label="loc_livn_CassaDepositiePrestitiMember_3BB9C81319D617789564870502DFE1FB" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170" xlink:to="loc_livn_CassaDepositiePrestitiMember_3BB9C81319D617789564870502DFE1FB" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_GECapitalInterbancaMember" xlink:label="loc_livn_GECapitalInterbancaMember_2160C46C7FBF712E97E9870502DF4522" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_E97D14EB1CA9D2E8EF24870502DF7170" xlink:to="loc_livn_GECapitalInterbancaMember_2160C46C7FBF712E97E9870502DF4522" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_294A827F58C10A3C330F870502DF529E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ADBD245EB08EFF943E0B870502DEDC0F" xlink:to="loc_us-gaap_VariableRateAxis_294A827F58C10A3C330F870502DF529E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_4A90D382589878F6F09E870502DF632A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_294A827F58C10A3C330F870502DF529E" xlink:to="loc_us-gaap_VariableRateDomain_4A90D382589878F6F09E870502DF632A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_4A90D382589878F6F09E870502DF632A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_294A827F58C10A3C330F870502DF529E" xlink:to="loc_us-gaap_VariableRateDomain_4A90D382589878F6F09E870502DF632A" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_EuriborMember" xlink:label="loc_livn_EuriborMember_5569C03CCAFB25B13099870502DF3898" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_4A90D382589878F6F09E870502DF632A" xlink:to="loc_livn_EuriborMember_5569C03CCAFB25B13099870502DF3898" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_947A62213C62FDCA7F55870502DFC512" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ADBD245EB08EFF943E0B870502DEDC0F" xlink:to="loc_us-gaap_RangeAxis_947A62213C62FDCA7F55870502DFC512" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_D9693165932FCE27E6C1870502DF126C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_947A62213C62FDCA7F55870502DFC512" xlink:to="loc_us-gaap_RangeMember_D9693165932FCE27E6C1870502DF126C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_D9693165932FCE27E6C1870502DF126C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_947A62213C62FDCA7F55870502DFC512" xlink:to="loc_us-gaap_RangeMember_D9693165932FCE27E6C1870502DF126C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_4543AD85B65A156D0BE1870502DFBAC4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_D9693165932FCE27E6C1870502DF126C" xlink:to="loc_us-gaap_MinimumMember_4543AD85B65A156D0BE1870502DFBAC4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_7128079E4CCD4DDB0AF7870502DF3D70" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_D9693165932FCE27E6C1870502DF126C" xlink:to="loc_us-gaap_MaximumMember_7128079E4CCD4DDB0AF7870502DF3D70" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_47E1CD0452F6F9280B53870502E05CF6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2DD68995DFB9E65ED72A870502E018A5" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_47E1CD0452F6F9280B53870502E05CF6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_94B089909CEF1AB1472A870502E00468" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2DD68995DFB9E65ED72A870502E018A5" xlink:to="loc_us-gaap_LongTermDebtCurrent_94B089909CEF1AB1472A870502E00468" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_F14BC077DB9C28631DE3870502E0B804" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2DD68995DFB9E65ED72A870502E018A5" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_F14BC077DB9C28631DE3870502E0B804" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_F60B902B1F10B75CA275870502E0F88C" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2DD68995DFB9E65ED72A870502E018A5" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_F60B902B1F10B75CA275870502E0F88C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_434D1770B57D13A05C78870502E03B3B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2DD68995DFB9E65ED72A870502E018A5" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_434D1770B57D13A05C78870502E03B3B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_F8D911BE50F71DAD3EA8870502E07E64" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2DD68995DFB9E65ED72A870502E018A5" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_F8D911BE50F71DAD3EA8870502E07E64" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangementsShortTermDebtOutstandingDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtLineItems" xlink:label="loc_us-gaap_ShortTermDebtLineItems_68771F112458F06E654E870502D98A2B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTable" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_23A8CF694EB9DA838091870502D87E3F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShortTermDebtLineItems_68771F112458F06E654E870502D98A2B" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_23A8CF694EB9DA838091870502D87E3F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_64798C9335A31194D138870502D853A1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_23A8CF694EB9DA838091870502D87E3F" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_64798C9335A31194D138870502D853A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_64798C9335A31194D138870502D853A1" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_64798C9335A31194D138870502D853A1" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_IntesaSaoPaoloBankMember" xlink:label="loc_livn_IntesaSaoPaoloBankMember_1449702EE1FEBFA1C13A870502D8D6A8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851" xlink:to="loc_livn_IntesaSaoPaoloBankMember_1449702EE1FEBFA1C13A870502D8D6A8" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_BNLBNPParibasMember" xlink:label="loc_livn_BNLBNPParibasMember_2AAA243F909E7D0E4437870502D95A21" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851" xlink:to="loc_livn_BNLBNPParibasMember_2AAA243F909E7D0E4437870502D95A21" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_UnicreditBancaMember" xlink:label="loc_livn_UnicreditBancaMember_7348B814815619D2B89C870502D9C153" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851" xlink:to="loc_livn_UnicreditBancaMember_7348B814815619D2B89C870502D9C153" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_BarclaysBankMember" xlink:label="loc_livn_BarclaysBankMember_05BB40E748E8E81E4DD2870502D983A3" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851" xlink:to="loc_livn_BarclaysBankMember_05BB40E748E8E81E4DD2870502D983A3" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_BNPParibasMember" xlink:label="loc_livn_BNPParibasMember_A3769438860445AC1CA0870502D92289" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851" xlink:to="loc_livn_BNPParibasMember_A3769438860445AC1CA0870502D92289" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_FrenchGovernmentMember" xlink:label="loc_livn_FrenchGovernmentMember_500EB59EEB4D697E7F26870502D92595" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_8B15FF37C3D2F9D1C996870502D82851" xlink:to="loc_livn_FrenchGovernmentMember_500EB59EEB4D697E7F26870502D92595" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_1145BC4C95A2E46A2D92870502D96B2A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_23A8CF694EB9DA838091870502D87E3F" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_1145BC4C95A2E46A2D92870502D96B2A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_0CE6D883AC49C38BC1B0870502D91F56_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_1145BC4C95A2E46A2D92870502D96B2A" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_0CE6D883AC49C38BC1B0870502D91F56_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_0CE6D883AC49C38BC1B0870502D91F56" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_1145BC4C95A2E46A2D92870502D96B2A" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_0CE6D883AC49C38BC1B0870502D91F56" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_39452157FA34417499E8870502D941CE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_0CE6D883AC49C38BC1B0870502D91F56" xlink:to="loc_us-gaap_LoansPayableMember_39452157FA34417499E8870502D941CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_5D0A43F9822572850C05870502D98CE1" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_23A8CF694EB9DA838091870502D87E3F" xlink:to="loc_us-gaap_DebtInstrumentAxis_5D0A43F9822572850C05870502D98CE1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5B6BA8FECDFCA1C973EB870502D9DDD5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_5D0A43F9822572850C05870502D98CE1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5B6BA8FECDFCA1C973EB870502D9DDD5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5B6BA8FECDFCA1C973EB870502D9DDD5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_5D0A43F9822572850C05870502D98CE1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5B6BA8FECDFCA1C973EB870502D9DDD5" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_OtherShortTermDebtFacilitiesMember" xlink:label="loc_livn_OtherShortTermDebtFacilitiesMember_5D80AEA71094FBD3E811870502D96818" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5B6BA8FECDFCA1C973EB870502D9DDD5" xlink:to="loc_livn_OtherShortTermDebtFacilitiesMember_5D80AEA71094FBD3E811870502D96818" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_393AE13528CFB95BEAF687C75BE7E05B" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_23A8CF694EB9DA838091870502D87E3F" xlink:to="loc_us-gaap_RangeAxis_393AE13528CFB95BEAF687C75BE7E05B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_52F6DFF2F1F76945202B87C75BF376F5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_393AE13528CFB95BEAF687C75BE7E05B" xlink:to="loc_us-gaap_RangeMember_52F6DFF2F1F76945202B87C75BF376F5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_52F6DFF2F1F76945202B87C75BF376F5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_393AE13528CFB95BEAF687C75BE7E05B" xlink:to="loc_us-gaap_RangeMember_52F6DFF2F1F76945202B87C75BF376F5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_A5C4D061D103D29FA7C487C7C4DFA738" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_52F6DFF2F1F76945202B87C75BF376F5" xlink:to="loc_us-gaap_MinimumMember_A5C4D061D103D29FA7C487C7C4DFA738" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_73D75ADA8499E6AD1CFF87C7F5F88CFF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_52F6DFF2F1F76945202B87C75BF376F5" xlink:to="loc_us-gaap_MaximumMember_73D75ADA8499E6AD1CFF87C7F5F88CFF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_BD0354C27310A7D4DAF8870502D92548" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_68771F112458F06E654E870502D98A2B" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_BD0354C27310A7D4DAF8870502D92548" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_BAC503E99D8E9FC66DDB870502D93D7D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_68771F112458F06E654E870502D98A2B" xlink:to="loc_us-gaap_ShortTermBorrowings_BAC503E99D8E9FC66DDB870502D93D7D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_B04181FA1A9FC917B0C5870502D9ADEC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_68771F112458F06E654E870502D98A2B" xlink:to="loc_us-gaap_LongTermDebtCurrent_B04181FA1A9FC917B0C5870502D9ADEC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_A0E2E2281CC913B30B14870502D9364F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_68771F112458F06E654E870502D98A2B" xlink:to="loc_us-gaap_DebtCurrent_A0E2E2281CC913B30B14870502D9364F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_261C65D91B4FF307EE72870502D96BDE" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_68771F112458F06E654E870502D98A2B" xlink:to="loc_us-gaap_LongTermDebt_261C65D91B4FF307EE72870502D96BDE" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangementsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationGeographicAreasDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_45C201B8E2053E9B24FF7CF261CB5AD5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_DEF6A9A6C6CBA24AF3237CF261CB7D5D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_45C201B8E2053E9B24FF7CF261CB5AD5" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_DEF6A9A6C6CBA24AF3237CF261CB7D5D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_4173F854C4C65C0806DC7CF261CBD2C0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_DEF6A9A6C6CBA24AF3237CF261CB7D5D" xlink:to="loc_us-gaap_StatementGeographicalAxis_4173F854C4C65C0806DC7CF261CBD2C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_C7DFF722971C573674527CF261CBB65C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_4173F854C4C65C0806DC7CF261CBD2C0" xlink:to="loc_us-gaap_SegmentGeographicalDomain_C7DFF722971C573674527CF261CBB65C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_C7DFF722971C573674527CF261CBB65C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_4173F854C4C65C0806DC7CF261CBD2C0" xlink:to="loc_us-gaap_SegmentGeographicalDomain_C7DFF722971C573674527CF261CBB65C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="loc_country_US_1CF20DF52C97AA29DD2F7CF261CB4507" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_C7DFF722971C573674527CF261CBB65C" xlink:to="loc_country_US_1CF20DF52C97AA29DD2F7CF261CB4507" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EuropeMember" xlink:label="loc_us-gaap_EuropeMember_C8FB9FEFD8111262951A7CF261CB67F3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_C7DFF722971C573674527CF261CBB65C" xlink:to="loc_us-gaap_EuropeMember_C8FB9FEFD8111262951A7CF261CB67F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_GB" xlink:label="loc_country_GB_F8005EE4EE14CD25C2577CF261CB4D69" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EuropeMember_C8FB9FEFD8111262951A7CF261CB67F3" xlink:to="loc_country_GB_F8005EE4EE14CD25C2577CF261CB4D69" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_NonU.S.andEuropeMember" xlink:label="loc_livn_NonU.S.andEuropeMember_94E9A7BEA84C4DC32B0A7CF261CB3829" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_C7DFF722971C573674527CF261CBB65C" xlink:to="loc_livn_NonU.S.andEuropeMember_94E9A7BEA84C4DC32B0A7CF261CB3829" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_NumberofGeographicRegionsinwhichEntityOperates" xlink:label="loc_livn_NumberofGeographicRegionsinwhichEntityOperates_558DDB67F661F10BBA717CF261CC776A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_45C201B8E2053E9B24FF7CF261CB5AD5" xlink:to="loc_livn_NumberofGeographicRegionsinwhichEntityOperates_558DDB67F661F10BBA717CF261CC776A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_46A6D74D5DB48695F1267CF261CCE008" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_45C201B8E2053E9B24FF7CF261CB5AD5" xlink:to="loc_us-gaap_SalesRevenueNet_46A6D74D5DB48695F1267CF261CCE008" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_17362CD1C229347E07137CF261CD4491" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_45C201B8E2053E9B24FF7CF261CB5AD5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_17362CD1C229347E07137CF261CD4491" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationSegmentInfoDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F8215ED12ECA804230818705015603B3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F8215ED12ECA804230818705015603B3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_7998069EEF50B7C59BA587050157851F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F8215ED12ECA804230818705015603B3" xlink:to="loc_us-gaap_StatementGeographicalAxis_7998069EEF50B7C59BA587050157851F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_85930071FCA18DF20E3A8705015734B2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_7998069EEF50B7C59BA587050157851F" xlink:to="loc_us-gaap_SegmentGeographicalDomain_85930071FCA18DF20E3A8705015734B2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_85930071FCA18DF20E3A8705015734B2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_7998069EEF50B7C59BA587050157851F" xlink:to="loc_us-gaap_SegmentGeographicalDomain_85930071FCA18DF20E3A8705015734B2" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_NonU.S.andEuropeMember" xlink:label="loc_livn_NonU.S.andEuropeMember_1D8389C5133596A7980D87050157BCAD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_85930071FCA18DF20E3A8705015734B2" xlink:to="loc_livn_NonU.S.andEuropeMember_1D8389C5133596A7980D87050157BCAD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_994748604DA055A1760F87050157DB4F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F8215ED12ECA804230818705015603B3" xlink:to="loc_us-gaap_ConsolidationItemsAxis_994748604DA055A1760F87050157DB4F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_63195CDE19ADD2ACCE6387050157013C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_994748604DA055A1760F87050157DB4F" xlink:to="loc_us-gaap_ConsolidationItemsDomain_63195CDE19ADD2ACCE6387050157013C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_63195CDE19ADD2ACCE6387050157013C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_994748604DA055A1760F87050157DB4F" xlink:to="loc_us-gaap_ConsolidationItemsDomain_63195CDE19ADD2ACCE6387050157013C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_31217FF46C649DCA6155870501570CED" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_63195CDE19ADD2ACCE6387050157013C" xlink:to="loc_us-gaap_OperatingSegmentsMember_31217FF46C649DCA6155870501570CED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_5395DC5646506E870C2C870501572BFD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_63195CDE19ADD2ACCE6387050157013C" xlink:to="loc_us-gaap_CorporateNonSegmentMember_5395DC5646506E870C2C870501572BFD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_A8EBEF362AAACDB9B5E087050157F5B3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F8215ED12ECA804230818705015603B3" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_A8EBEF362AAACDB9B5E087050157F5B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_7A4EA65E2C38EE71881887050157E56C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_A8EBEF362AAACDB9B5E087050157F5B3" xlink:to="loc_us-gaap_SegmentDomain_7A4EA65E2C38EE71881887050157E56C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_7A4EA65E2C38EE71881887050157E56C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_A8EBEF362AAACDB9B5E087050157F5B3" xlink:to="loc_us-gaap_SegmentDomain_7A4EA65E2C38EE71881887050157E56C" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_CardiacSurgeryMember" xlink:label="loc_livn_CardiacSurgeryMember_8ED1E4072C6F22C2371587050157C079" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_7A4EA65E2C38EE71881887050157E56C" xlink:to="loc_livn_CardiacSurgeryMember_8ED1E4072C6F22C2371587050157C079" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_CardiacRhythmManagementMember" xlink:label="loc_livn_CardiacRhythmManagementMember_E86765788682CA873B8687050157A291" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_7A4EA65E2C38EE71881887050157E56C" xlink:to="loc_livn_CardiacRhythmManagementMember_E86765788682CA873B8687050157A291" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_NeuromodulationMember" xlink:label="loc_livn_NeuromodulationMember_08CF273C0C6867BE5137870501578A0C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_7A4EA65E2C38EE71881887050157E56C" xlink:to="loc_livn_NeuromodulationMember_08CF273C0C6867BE5137870501578A0C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CorporateAndOtherMember" xlink:label="loc_us-gaap_CorporateAndOtherMember_B12C4A0469AA1C359AB687050157F6DE" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_7A4EA65E2C38EE71881887050157E56C" xlink:to="loc_us-gaap_CorporateAndOtherMember_B12C4A0469AA1C359AB687050157F6DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_238C721255B8C6D67979870501587A3F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_SalesRevenueNet_238C721255B8C6D67979870501587A3F" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_IncomeLossfromReportableSegmentsbeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_livn_IncomeLossfromReportableSegmentsbeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_BBBAAB167B02F448A29D87050158140C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_livn_IncomeLossfromReportableSegmentsbeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_BBBAAB167B02F448A29D87050158140C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_83C31F96F3FD26CC9EF1870501582776" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_83C31F96F3FD26CC9EF1870501582776" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_B5BC399B82E30EF98781870501588CEA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_RestructuringCharges_B5BC399B82E30EF98781870501588CEA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_4563C0D888C6CA19E82B879E2096AA86" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_4563C0D888C6CA19E82B879E2096AA86" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossRelatedToLitigationSettlement" xlink:label="loc_us-gaap_GainLossRelatedToLitigationSettlement_2FF934080AA92E84E6E4879E2207D398" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_GainLossRelatedToLitigationSettlement_2FF934080AA92E84E6E4879E2207D398" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_BBD776BCC7CDDF9049FE870501586C6F" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_OperatingIncomeLoss_BBD776BCC7CDDF9049FE870501586C6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_163CB360E16E5866C030870501586D23" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_Assets_163CB360E16E5866C030870501586D23" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_EFF6666D9A456013F0FC87050158C63F" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_EFF6666D9A456013F0FC87050158C63F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAdditions" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAdditions_C796855BD31AD8196FBF87050158A2DD" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_12F0D5E756DDB35CF66087050158A846" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAdditions_C796855BD31AD8196FBF87050158A2DD" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssets" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsAmortizationPeriodsForFiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_07567F0CAFE25853B947390F760FE7AA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_943713D17C1A50CC9355725BEC9ACD45" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_07567F0CAFE25853B947390F760FE7AA" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_943713D17C1A50CC9355725BEC9ACD45" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C0A52D69AEE55D8988BB96155739DEE5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_943713D17C1A50CC9355725BEC9ACD45" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C0A52D69AEE55D8988BB96155739DEE5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A_5BD0A1753679503991A3EA4ED9AA0DC5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C0A52D69AEE55D8988BB96155739DEE5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A_5BD0A1753679503991A3EA4ED9AA0DC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F6E488B1F9B157F48CDB137437EB4C52" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C0A52D69AEE55D8988BB96155739DEE5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F6E488B1F9B157F48CDB137437EB4C52" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_8D6778F6FFCB57C49684A58E07F90A8F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F6E488B1F9B157F48CDB137437EB4C52" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_8D6778F6FFCB57C49684A58E07F90A8F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_1E41097CA52B57439A1A477EC9AB3636" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F6E488B1F9B157F48CDB137437EB4C52" xlink:to="loc_us-gaap_CustomerRelationshipsMember_1E41097CA52B57439A1A477EC9AB3636" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TrademarksAndTradeNamesMember" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_054C904055085DECA8D5726D533B209D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F6E488B1F9B157F48CDB137437EB4C52" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_054C904055085DECA8D5726D533B209D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_D6583DA04E9F5472AAA0ED03E8B1A68A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F6E488B1F9B157F48CDB137437EB4C52" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_D6583DA04E9F5472AAA0ED03E8B1A68A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_7E289AA5160A5A5D9851B3BE5AA88126" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_943713D17C1A50CC9355725BEC9ACD45" xlink:to="loc_us-gaap_RangeAxis_7E289AA5160A5A5D9851B3BE5AA88126" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_CD4A316AADC93312584E2E89750B2F02_5BD0A1753679503991A3EA4ED9AA0DC5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_7E289AA5160A5A5D9851B3BE5AA88126" xlink:to="loc_us-gaap_RangeMember_CD4A316AADC93312584E2E89750B2F02_5BD0A1753679503991A3EA4ED9AA0DC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_661EF99AE15F540C9F30DD358B5E36E2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_7E289AA5160A5A5D9851B3BE5AA88126" xlink:to="loc_us-gaap_RangeMember_661EF99AE15F540C9F30DD358B5E36E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_12C71BF235B052C8BFC1DB4066CB9251" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_661EF99AE15F540C9F30DD358B5E36E2" xlink:to="loc_us-gaap_MinimumMember_12C71BF235B052C8BFC1DB4066CB9251" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_FC58A72E5C4F5C5DB9EDF5F60186817B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_661EF99AE15F540C9F30DD358B5E36E2" xlink:to="loc_us-gaap_MaximumMember_FC58A72E5C4F5C5DB9EDF5F60186817B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_BA88D12B9ED159CE891CA22D55517751" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_07567F0CAFE25853B947390F760FE7AA" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_BA88D12B9ED159CE891CA22D55517751" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsDetailOfIndefiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_CDD2F95DBAC60224F4987CFD42E2A418" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_936B255779785533E5187CFD42E13577" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_CDD2F95DBAC60224F4987CFD42E2A418" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_936B255779785533E5187CFD42E13577" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_B95346F5FD2114C494F27CFD42E1836B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_936B255779785533E5187CFD42E13577" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_B95346F5FD2114C494F27CFD42E1836B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_3A29FF49669F570F229D7CFD42E1168B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_B95346F5FD2114C494F27CFD42E1836B" xlink:to="loc_us-gaap_SegmentDomain_3A29FF49669F570F229D7CFD42E1168B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_3A29FF49669F570F229D7CFD42E1168B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_B95346F5FD2114C494F27CFD42E1836B" xlink:to="loc_us-gaap_SegmentDomain_3A29FF49669F570F229D7CFD42E1168B" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_NeuromodulationMember" xlink:label="loc_livn_NeuromodulationMember_D75C546762C283747D787CFD42E19531" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3A29FF49669F570F229D7CFD42E1168B" xlink:to="loc_livn_NeuromodulationMember_D75C546762C283747D787CFD42E19531" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_CardiacSurgeryMember" xlink:label="loc_livn_CardiacSurgeryMember_BEB2E57BFF11A2045C8E7CFD42E1EDB8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3A29FF49669F570F229D7CFD42E1168B" xlink:to="loc_livn_CardiacSurgeryMember_BEB2E57BFF11A2045C8E7CFD42E1EDB8" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_CardiacRhythmManagementMember" xlink:label="loc_livn_CardiacRhythmManagementMember_A091670255CFA9874C637CFD42E2A3D1" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3A29FF49669F570F229D7CFD42E1168B" xlink:to="loc_livn_CardiacRhythmManagementMember_A091670255CFA9874C637CFD42E2A3D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_C97E250BD25B8463794C7CFD42E2185D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_CDD2F95DBAC60224F4987CFD42E2A418" xlink:to="loc_us-gaap_GoodwillRollForward_C97E250BD25B8463794C7CFD42E2185D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_B6CE56E3ED154438AA807CFD42E27C2F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_C97E250BD25B8463794C7CFD42E2185D" xlink:to="loc_us-gaap_Goodwill_B6CE56E3ED154438AA807CFD42E27C2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillOtherChanges" xlink:label="loc_us-gaap_GoodwillOtherChanges_951419CD432F35E0640D7CFD42E2A12C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_C97E250BD25B8463794C7CFD42E2185D" xlink:to="loc_us-gaap_GoodwillOtherChanges_951419CD432F35E0640D7CFD42E2A12C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_F0B0DB06821460C396427CFD42E269E6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_C97E250BD25B8463794C7CFD42E2185D" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_F0B0DB06821460C396427CFD42E269E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" xlink:label="loc_us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_A6E9BCDD2292E21599EF7CFD42E2F089" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_C97E250BD25B8463794C7CFD42E2185D" xlink:to="loc_us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_A6E9BCDD2292E21599EF7CFD42E2F089" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsEstimatedFutureAmortizationExpenseDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsFiniteLivedAndIndefiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_84889836AF18F3686205870503564FBC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_E705F420B645A4985DAE87050356E229" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_84889836AF18F3686205870503564FBC" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_E705F420B645A4985DAE87050356E229" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0D1D13672016565AF1A587050356C42F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_E705F420B645A4985DAE87050356E229" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0D1D13672016565AF1A587050356C42F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C03DBDB85381F508047E870503566328_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0D1D13672016565AF1A587050356C42F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C03DBDB85381F508047E870503566328_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C03DBDB85381F508047E870503566328" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0D1D13672016565AF1A587050356C42F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C03DBDB85381F508047E870503566328" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_0EFAC9A66700FD9A3CF787050356A713" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C03DBDB85381F508047E870503566328" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_0EFAC9A66700FD9A3CF787050356A713" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_8594E527CB8FD22856F087050356C708" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C03DBDB85381F508047E870503566328" xlink:to="loc_us-gaap_CustomerRelationshipsMember_8594E527CB8FD22856F087050356C708" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TrademarksAndTradeNamesMember" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_42A2D0A34F9AF2A94A9D87050356708A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C03DBDB85381F508047E870503566328" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_42A2D0A34F9AF2A94A9D87050356708A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_93B47F9BD1BC4FA8FFB787050356C3E2" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C03DBDB85381F508047E870503566328" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_93B47F9BD1BC4FA8FFB787050356C3E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_CF507C2699C374FB55EC870503565760" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_84889836AF18F3686205870503564FBC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_CF507C2699C374FB55EC870503565760" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_24234FCB0630B54D3AE9870503574F43" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_84889836AF18F3686205870503564FBC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_24234FCB0630B54D3AE9870503574F43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_B843E2B04F493F8A1E74870503571C98" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_84889836AF18F3686205870503564FBC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_B843E2B04F493F8A1E74870503571C98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_2FAB314FD18D1EF5D267870503576731" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_84889836AF18F3686205870503564FBC" xlink:to="loc_us-gaap_Goodwill_2FAB314FD18D1EF5D267870503576731" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_E4AE9FB85FB821CA56C482EF0777A451" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_567BAC6AB478EA5141A482EF077783AC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_E4AE9FB85FB821CA56C482EF0777A451" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_567BAC6AB478EA5141A482EF077783AC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_453D38F8C2FC2AE0D96B82EF0777F485" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_567BAC6AB478EA5141A482EF077783AC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_453D38F8C2FC2AE0D96B82EF0777F485" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_40FF07280A7080E3E2B982EF07779E20_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_453D38F8C2FC2AE0D96B82EF0777F485" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_40FF07280A7080E3E2B982EF07779E20_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_40FF07280A7080E3E2B982EF07779E20" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_453D38F8C2FC2AE0D96B82EF0777F485" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_40FF07280A7080E3E2B982EF07779E20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_F81AD5DB3419D1BF1A0B82EF0777D759" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_40FF07280A7080E3E2B982EF07779E20" xlink:to="loc_us-gaap_CustomerRelationshipsMember_F81AD5DB3419D1BF1A0B82EF0777D759" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_EE33AF983CF6526EF27782EF0777C047" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_40FF07280A7080E3E2B982EF07779E20" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_EE33AF983CF6526EF27782EF0777C047" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_E1E04F28B626B18E970782EF0777717F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_40FF07280A7080E3E2B982EF07779E20" xlink:to="loc_us-gaap_TradeNamesMember_E1E04F28B626B18E970782EF0777717F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_CF6AE7B1435C1ECE54EE82EF077798EB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_E4AE9FB85FB821CA56C482EF0777A451" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_CF6AE7B1435C1ECE54EE82EF077798EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_57473951476FA0F0953F82EF0778CA3E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_E4AE9FB85FB821CA56C482EF0777A451" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_57473951476FA0F0953F82EF0778CA3E" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomePerShare" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomePerShareScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_1BE426D5E2168672948B870501607534" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_7942625B128F8DFB35EF8705015FE174" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_1BE426D5E2168672948B870501607534" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_7942625B128F8DFB35EF8705015FE174" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8F7F467A1889F9C13B1B8705015F379A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_7942625B128F8DFB35EF8705015FE174" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8F7F467A1889F9C13B1B8705015F379A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_29C354FCF39A481C05E68705015FD4F4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8F7F467A1889F9C13B1B8705015F379A" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_29C354FCF39A481C05E68705015FD4F4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_29C354FCF39A481C05E68705015FD4F4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8F7F467A1889F9C13B1B8705015F379A" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_29C354FCF39A481C05E68705015FD4F4" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_OrdinarySharesMember" xlink:label="loc_livn_OrdinarySharesMember_8F4DFB4E16FDEE385DA987050160945A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_29C354FCF39A481C05E68705015FD4F4" xlink:to="loc_livn_OrdinarySharesMember_8F4DFB4E16FDEE385DA987050160945A" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_ServiceBasedStockOptionAwardsMember" xlink:label="loc_livn_ServiceBasedStockOptionAwardsMember_872AC69B713AAD9D84C187050160B7E7" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_29C354FCF39A481C05E68705015FD4F4" xlink:to="loc_livn_ServiceBasedStockOptionAwardsMember_872AC69B713AAD9D84C187050160B7E7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_6332DEC1F6BE4660F6A1870501608DDF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_1BE426D5E2168672948B870501607534" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_6332DEC1F6BE4660F6A1870501608DDF" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomePerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomePerShareTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxes" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/Inventories" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InventoriesScheduleOfInventoryComponentsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InventoriesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/Investments" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsEquityMethodInvestmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_ACC81511030380FE0F0588392CA0D7F6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1F75FABDAC799764E2C488392CA0DAB8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_ACC81511030380FE0F0588392CA0D7F6" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1F75FABDAC799764E2C488392CA0DAB8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_193CC708436EFD8D7EBC88392CA06275" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1F75FABDAC799764E2C488392CA0DAB8" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_193CC708436EFD8D7EBC88392CA06275" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_193CC708436EFD8D7EBC88392CA06275" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_193CC708436EFD8D7EBC88392CA06275" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_LaBouscarreS.C.I.Member" xlink:label="loc_livn_LaBouscarreS.C.I.Member_92632392846409CE5BE588392CA0F2F2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF" xlink:to="loc_livn_LaBouscarreS.C.I.Member_92632392846409CE5BE588392CA0F2F2" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_LaserundMedizinTechnologieGmbhMember" xlink:label="loc_livn_LaserundMedizinTechnologieGmbhMember_E40621F9F1E1D29AC2F588392CA0AB98" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF" xlink:to="loc_livn_LaserundMedizinTechnologieGmbhMember_E40621F9F1E1D29AC2F588392CA0AB98" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_CaissonInterventionalLLCMember" xlink:label="loc_livn_CaissonInterventionalLLCMember_E6C0964AA8B8512B811688392CA0C7F9" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF" xlink:to="loc_livn_CaissonInterventionalLLCMember_E6C0964AA8B8512B811688392CA0C7F9" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_HighlifeS.A.S.Member" xlink:label="loc_livn_HighlifeS.A.S.Member_5FDA3D7CB96F8EA6B30B88392CA06F88" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF" xlink:to="loc_livn_HighlifeS.A.S.Member_5FDA3D7CB96F8EA6B30B88392CA06F88" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_MicroPortSorinCRMCoLtdMember" xlink:label="loc_livn_MicroPortSorinCRMCoLtdMember_7D5C6D0FC30BE0ABACFC88392CA06CF5" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF" xlink:to="loc_livn_MicroPortSorinCRMCoLtdMember_7D5C6D0FC30BE0ABACFC88392CA06CF5" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_RespicardiaInc.Member" xlink:label="loc_livn_RespicardiaInc.Member_FD7AE9FCD70DB5F69D9D88392CA00B17" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4FEF200B0F575A622CF888392CA0ACDF" xlink:to="loc_livn_RespicardiaInc.Member_FD7AE9FCD70DB5F69D9D88392CA00B17" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_5050266B1D7097B2AFB788392CA1B83E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_ACC81511030380FE0F0588392CA0D7F6" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_5050266B1D7097B2AFB788392CA1B83E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_3295E2A9294765E4AD0888392CA1F7EF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_ACC81511030380FE0F0588392CA0D7F6" xlink:to="loc_us-gaap_EquityMethodInvestments_3295E2A9294765E4AD0888392CA1F7EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_8C4053F160446B7C2E2688392CA1DC21" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_ACC81511030380FE0F0588392CA0D7F6" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_8C4053F160446B7C2E2688392CA1DC21" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_FBD35696B58920158C9888392CD0128C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_818C4D6D857F67DB342288392CCFF898" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_FBD35696B58920158C9888392CD0128C" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_818C4D6D857F67DB342288392CCFF898" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_31CF9B48E0D591FCD36988392CCF3FDC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_818C4D6D857F67DB342288392CCFF898" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_31CF9B48E0D591FCD36988392CCF3FDC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_68974F4CD15FA703253F88392CD00C68_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_31CF9B48E0D591FCD36988392CCF3FDC" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_68974F4CD15FA703253F88392CD00C68_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_68974F4CD15FA703253F88392CD00C68" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_31CF9B48E0D591FCD36988392CCF3FDC" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_68974F4CD15FA703253F88392CD00C68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentsMember" xlink:label="loc_us-gaap_EquityMethodInvestmentsMember_7803CBE5265E150EE16288392CD09C15" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_68974F4CD15FA703253F88392CD00C68" xlink:to="loc_us-gaap_EquityMethodInvestmentsMember_7803CBE5265E150EE16288392CD09C15" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1E737955582A2C24183488392CD09472" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_818C4D6D857F67DB342288392CCFF898" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1E737955582A2C24183488392CD09472" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_4A6F395D77B8EBF9F57388392CD0F2CE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1E737955582A2C24183488392CD09472" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_4A6F395D77B8EBF9F57388392CD0F2CE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_4A6F395D77B8EBF9F57388392CD0F2CE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1E737955582A2C24183488392CD09472" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_4A6F395D77B8EBF9F57388392CD0F2CE" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_CaissonInterventionalLLCandHighlifeS.A.S.Member" xlink:label="loc_livn_CaissonInterventionalLLCandHighlifeS.A.S.Member_7F8C1A1F2B8243C1C14588392CD0390E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4A6F395D77B8EBF9F57388392CD0F2CE" xlink:to="loc_livn_CaissonInterventionalLLCandHighlifeS.A.S.Member_7F8C1A1F2B8243C1C14588392CD0390E" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_HighlifeS.A.S.Member" xlink:label="loc_livn_HighlifeS.A.S.Member_8A7B1A070D0A59CC312488392CD06356" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4A6F395D77B8EBF9F57388392CD0F2CE" xlink:to="loc_livn_HighlifeS.A.S.Member_8A7B1A070D0A59CC312488392CD06356" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_6141F87F9F80F1DC6EFA88392CD00306" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_818C4D6D857F67DB342288392CCFF898" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_6141F87F9F80F1DC6EFA88392CD00306" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_892340ACFF3F0A14131888392CD0F93E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_6141F87F9F80F1DC6EFA88392CD00306" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_892340ACFF3F0A14131888392CD0F93E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_892340ACFF3F0A14131888392CD0F93E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_6141F87F9F80F1DC6EFA88392CD00306" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_892340ACFF3F0A14131888392CD0F93E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_39AB577E743DD11F978688392CD09C2B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_892340ACFF3F0A14131888392CD0F93E" xlink:to="loc_us-gaap_OtherAssetsMember_39AB577E743DD11F978688392CD09C2B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansAndLeasesReceivableRelatedParties" xlink:label="loc_us-gaap_LoansAndLeasesReceivableRelatedParties_7542BD8A2A8F73DE8DE988392CD0EC6A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_FBD35696B58920158C9888392CD0128C" xlink:to="loc_us-gaap_LoansAndLeasesReceivableRelatedParties_7542BD8A2A8F73DE8DE988392CD0EC6A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_EBCBE25C2ABD2728A78A88392CD5A057" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_FBD35696B58920158C9888392CD0128C" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_EBCBE25C2ABD2728A78A88392CD5A057" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TranslationAdjustmentFunctionalToReportingCurrencyLossGainOnReclassifiedOfEarningsNetOfTax" xlink:label="loc_us-gaap_TranslationAdjustmentFunctionalToReportingCurrencyLossGainOnReclassifiedOfEarningsNetOfTax_E84EF0CFE5F7E18C85F188392CD56124" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_FBD35696B58920158C9888392CD0128C" xlink:to="loc_us-gaap_TranslationAdjustmentFunctionalToReportingCurrencyLossGainOnReclassifiedOfEarningsNetOfTax_E84EF0CFE5F7E18C85F188392CD56124" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashSurrenderValueOfLifeInsurance" xlink:label="loc_us-gaap_CashSurrenderValueOfLifeInsurance_A958085D74170A5FB8E388392CD529A4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_FBD35696B58920158C9888392CD0128C" xlink:to="loc_us-gaap_CashSurrenderValueOfLifeInsurance_A958085D74170A5FB8E388392CD529A4" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsScheduleOfLongTermInvestmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfCostMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfCostMethodInvestmentsLineItems_214BD93989F6E485B16D88287998364B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfCostMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_D15B8D734D744472ACED88287998455D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsLineItems_214BD93989F6E485B16D88287998364B" xlink:to="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_D15B8D734D744472ACED88287998455D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_8076CE8CA581C253FDE188287998901F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_D15B8D734D744472ACED88287998455D" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_8076CE8CA581C253FDE188287998901F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_FFF1B54CA8EC449A51EA88287998DBC1_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_8076CE8CA581C253FDE188287998901F" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_FFF1B54CA8EC449A51EA88287998DBC1_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_FFF1B54CA8EC449A51EA88287998DBC1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_8076CE8CA581C253FDE188287998901F" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_FFF1B54CA8EC449A51EA88287998DBC1" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_ImtheraMedicalIncMember" xlink:label="loc_livn_ImtheraMedicalIncMember_0569D64A8BE8786C6BCE88287998E746" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_FFF1B54CA8EC449A51EA88287998DBC1" xlink:to="loc_livn_ImtheraMedicalIncMember_0569D64A8BE8786C6BCE88287998E746" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_RainbowMedicalLtdMember" xlink:label="loc_livn_RainbowMedicalLtdMember_B67404320A7621549CD4882879983FEE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_FFF1B54CA8EC449A51EA88287998DBC1" xlink:to="loc_livn_RainbowMedicalLtdMember_B67404320A7621549CD4882879983FEE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostMethodInvestmentsOriginalCost" xlink:label="loc_us-gaap_CostMethodInvestmentsOriginalCost_228ADC3072D218844FC4882879987D73" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsLineItems_214BD93989F6E485B16D88287998364B" xlink:to="loc_us-gaap_CostMethodInvestmentsOriginalCost_228ADC3072D218844FC4882879987D73" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsScheduleOfShortTermInvestmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_450F171E82A9659C86958828799BD6FD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_8D5F8EE4FAF4D4DCCC188828799B30CF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_450F171E82A9659C86958828799BD6FD" xlink:to="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_8D5F8EE4FAF4D4DCCC188828799B30CF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtSecurityAxis" xlink:label="loc_us-gaap_DebtSecurityAxis_7C0160E95B5A2D2DF7C08828799BDB47" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_8D5F8EE4FAF4D4DCCC188828799B30CF" xlink:to="loc_us-gaap_DebtSecurityAxis_7C0160E95B5A2D2DF7C08828799BDB47" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorTypesOfDebtSecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD190E2DBA75C39DDA0F8828799BC4F6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtSecurityAxis_7C0160E95B5A2D2DF7C08828799BDB47" xlink:to="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD190E2DBA75C39DDA0F8828799BC4F6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorTypesOfDebtSecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD190E2DBA75C39DDA0F8828799BC4F6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtSecurityAxis_7C0160E95B5A2D2DF7C08828799BDB47" xlink:to="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD190E2DBA75C39DDA0F8828799BC4F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommercialPaperNotIncludedWithCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_CommercialPaperNotIncludedWithCashAndCashEquivalentsMember_2B15155D2E794EC89ADD8828799BE3BE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD190E2DBA75C39DDA0F8828799BC4F6" xlink:to="loc_us-gaap_CommercialPaperNotIncludedWithCashAndCashEquivalentsMember_2B15155D2E794EC89ADD8828799BE3BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecuritiesCurrent" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesCurrent_7B4906F121A6D9CA31A88828799B1E37" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_450F171E82A9659C86958828799BD6FD" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesCurrent_7B4906F121A6D9CA31A88828799B1E37" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/NatureOfOperations" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/NewAccountingPronouncements" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilities" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_B981894118CCDF241E128769A603AE7A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_8ACCB65540EBBEF556E58769A603E557" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_B981894118CCDF241E128769A603AE7A" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_8ACCB65540EBBEF556E58769A603E557" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_0715870D2BB90DF55A698769A74B714C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_8ACCB65540EBBEF556E58769A603E557" xlink:to="loc_dei_LegalEntityAxis_0715870D2BB90DF55A698769A74B714C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_911F163B0A7A80FAFE0F8769A7565317_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_0715870D2BB90DF55A698769A74B714C" xlink:to="loc_dei_EntityDomain_911F163B0A7A80FAFE0F8769A7565317_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_911F163B0A7A80FAFE0F8769A7565317" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_0715870D2BB90DF55A698769A74B714C" xlink:to="loc_dei_EntityDomain_911F163B0A7A80FAFE0F8769A7565317" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_7CC4DA2B57F8BC3318E68769A7DF65E4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_911F163B0A7A80FAFE0F8769A7565317" xlink:to="loc_livn_SorinS.p.A.Member_7CC4DA2B57F8BC3318E68769A7DF65E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfBusinessesAcquired" xlink:label="loc_us-gaap_NumberOfBusinessesAcquired_91B49AE1F9C48F23E14B8769A6DA5B60" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_B981894118CCDF241E128769A603AE7A" xlink:to="loc_us-gaap_NumberOfBusinessesAcquired_91B49AE1F9C48F23E14B8769A6DA5B60" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilitiesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ProductWarranties" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ProductWarrantiesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ProductWarrantiesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipment" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_95E61212D5B3BB1AAD9A7CFD43075D59" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_AB4F7A1950E1D0DC2DCA7CFD4306680D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_95E61212D5B3BB1AAD9A7CFD43075D59" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_AB4F7A1950E1D0DC2DCA7CFD4306680D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_DB5A92ECA932ED51A3207CFD4306BE27" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_AB4F7A1950E1D0DC2DCA7CFD4306680D" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_DB5A92ECA932ED51A3207CFD4306BE27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20D361E04CB37DBA8B6E7CFD430640F8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_DB5A92ECA932ED51A3207CFD4306BE27" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20D361E04CB37DBA8B6E7CFD430640F8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20D361E04CB37DBA8B6E7CFD430640F8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_DB5A92ECA932ED51A3207CFD4306BE27" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20D361E04CB37DBA8B6E7CFD430640F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_267424B9BF9AEF9059FF7CFD430612EE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20D361E04CB37DBA8B6E7CFD430640F8" xlink:to="loc_us-gaap_LandMember_267424B9BF9AEF9059FF7CFD430612EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_AC08D13F3EC355B1C9CD7CFD43060B56" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20D361E04CB37DBA8B6E7CFD430640F8" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_AC08D13F3EC355B1C9CD7CFD43060B56" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_EquipmentSoftwareFurnitureAndFixturesMember" xlink:label="loc_livn_EquipmentSoftwareFurnitureAndFixturesMember_6C894A2CE6C8D9E67CA87CFD430689A9" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20D361E04CB37DBA8B6E7CFD430640F8" xlink:to="loc_livn_EquipmentSoftwareFurnitureAndFixturesMember_6C894A2CE6C8D9E67CA87CFD430689A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember" xlink:label="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_12E137AC40FDF8442AA67CFD4306A207" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20D361E04CB37DBA8B6E7CFD430640F8" xlink:to="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_12E137AC40FDF8442AA67CFD4306A207" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_323EDC3756C0E9A0CE4E7CFD4306D9BC" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20D361E04CB37DBA8B6E7CFD430640F8" xlink:to="loc_us-gaap_ConstructionInProgressMember_323EDC3756C0E9A0CE4E7CFD4306D9BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_F90D8A292ED26EF720347D4136CA53D6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_AB4F7A1950E1D0DC2DCA7CFD4306680D" xlink:to="loc_us-gaap_RangeAxis_F90D8A292ED26EF720347D4136CA53D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_33979C2599ACAABBC4BF7D4136CD28A3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_F90D8A292ED26EF720347D4136CA53D6" xlink:to="loc_us-gaap_RangeMember_33979C2599ACAABBC4BF7D4136CD28A3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_33979C2599ACAABBC4BF7D4136CD28A3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_F90D8A292ED26EF720347D4136CA53D6" xlink:to="loc_us-gaap_RangeMember_33979C2599ACAABBC4BF7D4136CD28A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_3E729B8FA4512DF8FC947D4163EDCC19" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_33979C2599ACAABBC4BF7D4136CD28A3" xlink:to="loc_us-gaap_MinimumMember_3E729B8FA4512DF8FC947D4163EDCC19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_A33EBDCA1F01029E442F7D41899F19DE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_33979C2599ACAABBC4BF7D4136CD28A3" xlink:to="loc_us-gaap_MaximumMember_A33EBDCA1F01029E442F7D41899F19DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_3921203DECE334B5DDB27CFD4306983C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_AB4F7A1950E1D0DC2DCA7CFD4306680D" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_3921203DECE334B5DDB27CFD4306983C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CE53FBBCA3322A4149C67CFD430647F5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_3921203DECE334B5DDB27CFD4306983C" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CE53FBBCA3322A4149C67CFD430647F5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CE53FBBCA3322A4149C67CFD430647F5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_3921203DECE334B5DDB27CFD4306983C" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CE53FBBCA3322A4149C67CFD430647F5" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_BFE18886FA514F8454AF7CFD43063AAA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CE53FBBCA3322A4149C67CFD430647F5" xlink:to="loc_livn_MergerAgreementMember_BFE18886FA514F8454AF7CFD43063AAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_7AD949F153057936AC797CFD4307DC62" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_AB4F7A1950E1D0DC2DCA7CFD4306680D" xlink:to="loc_dei_LegalEntityAxis_7AD949F153057936AC797CFD4307DC62" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_E37E7B60ED8D180827487CFD43070287_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_7AD949F153057936AC797CFD4307DC62" xlink:to="loc_dei_EntityDomain_E37E7B60ED8D180827487CFD43070287_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_E37E7B60ED8D180827487CFD43070287" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_7AD949F153057936AC797CFD4307DC62" xlink:to="loc_dei_EntityDomain_E37E7B60ED8D180827487CFD43070287" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_BB0F7664B5EE92B8A1757CFD43072FFB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_E37E7B60ED8D180827487CFD43070287" xlink:to="loc_livn_SorinS.p.A.Member_BB0F7664B5EE92B8A1757CFD43072FFB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_BBA011AA19599AACAE987CFD4307AD09" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_95E61212D5B3BB1AAD9A7CFD43075D59" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_BBA011AA19599AACAE987CFD4307AD09" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_F0E1468CBA289D0E9A727CFD43076FB6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_95E61212D5B3BB1AAD9A7CFD43075D59" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_F0E1468CBA289D0E9A727CFD43076FB6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_66BF146EC379C4ADCB297CFD430765A3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_95E61212D5B3BB1AAD9A7CFD43075D59" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_66BF146EC379C4ADCB297CFD430765A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_4C6EF8D2DA71C83445697CFD430766C4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_95E61212D5B3BB1AAD9A7CFD43075D59" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_4C6EF8D2DA71C83445697CFD430766C4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_80A0D942378D3FE1232C7CFD43077932" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_95E61212D5B3BB1AAD9A7CFD43075D59" xlink:to="loc_us-gaap_Depreciation_80A0D942378D3FE1232C7CFD43077932" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_A91674BF60902CE6D1A07CFD4307762B" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_95E61212D5B3BB1AAD9A7CFD43075D59" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_A91674BF60902CE6D1A07CFD4307762B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipmentTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/RestructuringPlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/RestructuringPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_68C189ACDDDEEA13ADCD8D15C3861D41" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_9A478CEEA9B28B78C24D8D15C385BD1C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_68C189ACDDDEEA13ADCD8D15C3861D41" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_9A478CEEA9B28B78C24D8D15C385BD1C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="loc_us-gaap_RestructuringPlanAxis_19FFAD90B2964AEA50EE8D15C385551B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_9A478CEEA9B28B78C24D8D15C385BD1C" xlink:to="loc_us-gaap_RestructuringPlanAxis_19FFAD90B2964AEA50EE8D15C385551B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_0469E868735C07227E298D15C385349E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_19FFAD90B2964AEA50EE8D15C385551B" xlink:to="loc_us-gaap_RestructuringPlanDomain_0469E868735C07227E298D15C385349E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_0469E868735C07227E298D15C385349E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_19FFAD90B2964AEA50EE8D15C385551B" xlink:to="loc_us-gaap_RestructuringPlanDomain_0469E868735C07227E298D15C385349E" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_TwoThousandFifteenandSixteenReorganizationPlansMember" xlink:label="loc_livn_TwoThousandFifteenandSixteenReorganizationPlansMember_64711C026510A757AB298D15C3854A8C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_0469E868735C07227E298D15C385349E" xlink:to="loc_livn_TwoThousandFifteenandSixteenReorganizationPlansMember_64711C026510A757AB298D15C3854A8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_5C44BC5858FAA4A0FB438D15C38652EB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_9A478CEEA9B28B78C24D8D15C385BD1C" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_5C44BC5858FAA4A0FB438D15C38652EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_59BF88BEFC22983D3D678D15C3869ECB_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_5C44BC5858FAA4A0FB438D15C38652EB" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_59BF88BEFC22983D3D678D15C3869ECB_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_59BF88BEFC22983D3D678D15C3869ECB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_5C44BC5858FAA4A0FB438D15C38652EB" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_59BF88BEFC22983D3D678D15C3869ECB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="loc_us-gaap_EmployeeSeveranceMember_B3E17770FADBEE8778F38D15C3865524" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_59BF88BEFC22983D3D678D15C3869ECB" xlink:to="loc_us-gaap_EmployeeSeveranceMember_B3E17770FADBEE8778F38D15C3865524" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherRestructuringMember" xlink:label="loc_us-gaap_OtherRestructuringMember_CEFA967A29E06FF713928D15C3862E83" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_59BF88BEFC22983D3D678D15C3869ECB" xlink:to="loc_us-gaap_OtherRestructuringMember_CEFA967A29E06FF713928D15C3862E83" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringReserveRollForward" xlink:label="loc_us-gaap_RestructuringReserveRollForward_446562682BE2E3AA9D948D15C386D8CE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_68C189ACDDDEEA13ADCD8D15C3861D41" xlink:to="loc_us-gaap_RestructuringReserveRollForward_446562682BE2E3AA9D948D15C386D8CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_41BDD37081BEF1F6AAF88D15C386250F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_446562682BE2E3AA9D948D15C386D8CE" xlink:to="loc_us-gaap_RestructuringReserve_41BDD37081BEF1F6AAF88D15C386250F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_094A68BF38B38B3446DD8D15C3861886" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_446562682BE2E3AA9D948D15C386D8CE" xlink:to="loc_us-gaap_RestructuringCharges_094A68BF38B38B3446DD8D15C3861886" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="loc_us-gaap_PaymentsForRestructuring_2198F56ADCD618DF1D398D15C386F6F2" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_446562682BE2E3AA9D948D15C386D8CE" xlink:to="loc_us-gaap_PaymentsForRestructuring_2198F56ADCD618DF1D398D15C386F6F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringReserveTranslationAndOtherAdjustment" xlink:label="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_60AC50D8BE0822101DEA8D15C386F573" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_446562682BE2E3AA9D948D15C386D8CE" xlink:to="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_60AC50D8BE0822101DEA8D15C386F573" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/RestructuringPlansNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_788F77AB66CF4B93D5CC832BF2F75632" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_A72A7E34045742523782832BF2E263BB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_788F77AB66CF4B93D5CC832BF2F75632" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_A72A7E34045742523782832BF2E263BB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="loc_us-gaap_RestructuringPlanAxis_116F1ECF6317871B3942832BF2ECF314" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_A72A7E34045742523782832BF2E263BB" xlink:to="loc_us-gaap_RestructuringPlanAxis_116F1ECF6317871B3942832BF2ECF314" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_C455E5B18CBFA4CC92BF832BF2ECE7E0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_116F1ECF6317871B3942832BF2ECF314" xlink:to="loc_us-gaap_RestructuringPlanDomain_C455E5B18CBFA4CC92BF832BF2ECE7E0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_C455E5B18CBFA4CC92BF832BF2ECE7E0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_116F1ECF6317871B3942832BF2ECF314" xlink:to="loc_us-gaap_RestructuringPlanDomain_C455E5B18CBFA4CC92BF832BF2ECE7E0" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_TwoThousandFifteenandSixteenReorganizationPlansMember" xlink:label="loc_livn_TwoThousandFifteenandSixteenReorganizationPlansMember_A7AFC03938BC5357156C832D93703CD4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_C455E5B18CBFA4CC92BF832BF2ECE7E0" xlink:to="loc_livn_TwoThousandFifteenandSixteenReorganizationPlansMember_A7AFC03938BC5357156C832D93703CD4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated_7888443263998AA94A95832C89A6D4FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_788F77AB66CF4B93D5CC832BF2F75632" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated_7888443263998AA94A95832C89A6D4FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedCost1" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_3E8E608ACF45B06DDF748330E09A0183" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_788F77AB66CF4B93D5CC832BF2F75632" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_3E8E608ACF45B06DDF748330E09A0183" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/RestructuringPlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByExpenseCategoryDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_8715EB4C346A565B06E47CFD404CD095" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_C5A7ABA86CDD53792B997CFD404C4273" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_8715EB4C346A565B06E47CFD404CD095" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_C5A7ABA86CDD53792B997CFD404C4273" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_B6523DF969FCD06B24527CFD404CEAF6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_C5A7ABA86CDD53792B997CFD404C4273" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_B6523DF969FCD06B24527CFD404CEAF6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_186E774AD68E6C5906C37CFD404CFCAA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_B6523DF969FCD06B24527CFD404CEAF6" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_186E774AD68E6C5906C37CFD404CFCAA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_186E774AD68E6C5906C37CFD404CFCAA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_B6523DF969FCD06B24527CFD404CEAF6" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_186E774AD68E6C5906C37CFD404CFCAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_2EED07633F79120BD30E7CFD404CB6F1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_186E774AD68E6C5906C37CFD404CFCAA" xlink:to="loc_us-gaap_CostOfSalesMember_2EED07633F79120BD30E7CFD404CB6F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_30F01BFF8C88664F08557CFD404C72D4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_186E774AD68E6C5906C37CFD404CFCAA" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_30F01BFF8C88664F08557CFD404C72D4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_2B68797C4E8367919EB27CFD404CB295" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_186E774AD68E6C5906C37CFD404CFCAA" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_2B68797C4E8367919EB27CFD404CB295" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_MergerRelatedExpenseMember" xlink:label="loc_livn_MergerRelatedExpenseMember_F9205FEF12E938F512637CFD404CFDD0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_186E774AD68E6C5906C37CFD404CFCAA" xlink:to="loc_livn_MergerRelatedExpenseMember_F9205FEF12E938F512637CFD404CFDD0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_EB61686D92C6FF574F187CFD404CB951" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_8715EB4C346A565B06E47CFD404CD095" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_EB61686D92C6FF574F187CFD404CB951" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_210B2C99A1235E21D64B7CFD404CCBE9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_8715EB4C346A565B06E47CFD404CD095" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_210B2C99A1235E21D64B7CFD404CCBE9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_23C77217434560D9F8DE7CFD404CC436" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_8715EB4C346A565B06E47CFD404CD095" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_23C77217434560D9F8DE7CFD404CC436" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByTypeOfArrangementDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B7B0E67C859F2B7263FB7CFD404A72F1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F42E3EBBBD129738C9DA7CFD4049AD88" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B7B0E67C859F2B7263FB7CFD404A72F1" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F42E3EBBBD129738C9DA7CFD4049AD88" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_F570A5CB3B9A5E4279107CFD40491C72" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F42E3EBBBD129738C9DA7CFD4049AD88" xlink:to="loc_us-gaap_AwardTypeAxis_F570A5CB3B9A5E4279107CFD40491C72" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A54B7A1BEC6F4D41CF907CFD4049B504_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_F570A5CB3B9A5E4279107CFD40491C72" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A54B7A1BEC6F4D41CF907CFD4049B504_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A54B7A1BEC6F4D41CF907CFD4049B504" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_F570A5CB3B9A5E4279107CFD40491C72" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A54B7A1BEC6F4D41CF907CFD4049B504" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_ServicebasedStockOptionsandServicebasedStockAppreciationRightsMember" xlink:label="loc_livn_ServicebasedStockOptionsandServicebasedStockAppreciationRightsMember_AB7744666A9A02C014647D1B1F433FEA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A54B7A1BEC6F4D41CF907CFD4049B504" xlink:to="loc_livn_ServicebasedStockOptionsandServicebasedStockAppreciationRightsMember_AB7744666A9A02C014647D1B1F433FEA" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember" xlink:label="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_A94E62334830B22243E97CFD404A43CB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A54B7A1BEC6F4D41CF907CFD4049B504" xlink:to="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_A94E62334830B22243E97CFD404A43CB" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember" xlink:label="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_01994143FA61D40010907CFD404A082E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A54B7A1BEC6F4D41CF907CFD4049B504" xlink:to="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_01994143FA61D40010907CFD404A082E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_990D094FE46B294896037CFD404ACD7B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B7B0E67C859F2B7263FB7CFD404A72F1" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_990D094FE46B294896037CFD404ACD7B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_031A482FC259B2B5854782EF06E7ADE6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_AC23EA14751B72DDEF9C82EF06E66794" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_031A482FC259B2B5854782EF06E7ADE6" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_AC23EA14751B72DDEF9C82EF06E66794" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_A9C6224663A81A2B0A2282EF06E65341" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_AC23EA14751B72DDEF9C82EF06E66794" xlink:to="loc_us-gaap_PlanNameAxis_A9C6224663A81A2B0A2282EF06E65341" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_5A52A74EF16B4ED318DF82EF06E67B03_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_A9C6224663A81A2B0A2282EF06E65341" xlink:to="loc_us-gaap_PlanNameDomain_5A52A74EF16B4ED318DF82EF06E67B03_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_5A52A74EF16B4ED318DF82EF06E67B03" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_A9C6224663A81A2B0A2282EF06E65341" xlink:to="loc_us-gaap_PlanNameDomain_5A52A74EF16B4ED318DF82EF06E67B03" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_TwoThousandFifteenIncentiveAwardPlanMember" xlink:label="loc_livn_TwoThousandFifteenIncentiveAwardPlanMember_60FD35393AB0166456DA82EF06E742E4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_5A52A74EF16B4ED318DF82EF06E67B03" xlink:to="loc_livn_TwoThousandFifteenIncentiveAwardPlanMember_60FD35393AB0166456DA82EF06E742E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A183DB013E19D5F0024C82EF06E8C3E9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_031A482FC259B2B5854782EF06E7ADE6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A183DB013E19D5F0024C82EF06E8C3E9" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockholdersEquity" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockholdersEquityComprehensiveIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_082384EEDFC73142771F82EF06EF6DD2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_DF9AC7AF8DFB65238B4E82EF06EF179C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_082384EEDFC73142771F82EF06EF6DD2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_DF9AC7AF8DFB65238B4E82EF06EF179C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_89CC1AA76D28988299DB82EF06EF6145" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_DF9AC7AF8DFB65238B4E82EF06EF179C" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_89CC1AA76D28988299DB82EF06EF6145" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_1673F964DD51991A65DC82EF06EF7FD5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_89CC1AA76D28988299DB82EF06EF6145" xlink:to="loc_us-gaap_EquityComponentDomain_1673F964DD51991A65DC82EF06EF7FD5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_1673F964DD51991A65DC82EF06EF7FD5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_89CC1AA76D28988299DB82EF06EF6145" xlink:to="loc_us-gaap_EquityComponentDomain_1673F964DD51991A65DC82EF06EF7FD5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_5C7966F2033F3B6ECF2282EF06EFFF0E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_1673F964DD51991A65DC82EF06EF7FD5" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_5C7966F2033F3B6ECF2282EF06EFFF0E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4EC49C3307E118A4C0E782EF06EF4BAC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_1673F964DD51991A65DC82EF06EF7FD5" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4EC49C3307E118A4C0E782EF06EF4BAC" xlink:type="arc" />
    <loc xlink:href="livn-20160331.xsd#livn_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:label="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_082384EEDFC73142771F82EF06EF6DD2" xlink:to="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_6DD11A8D630F8C1FC2F282EF06EF95BD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_6DD11A8D630F8C1FC2F282EF06EF95BD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_0FFD0602F9960A36644782EF06F099CA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_0FFD0602F9960A36644782EF06F099CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_877D8B33483E55F6793882EF06F06B7E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_877D8B33483E55F6793882EF06F06B7E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_B254027AD8984A5C0C8282EF06F01204" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_B254027AD8984A5C0C8282EF06F01204" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_C6C8B07C73B9DBB6E31782EF06F0AC8C" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_C6C8B07C73B9DBB6E31782EF06F0AC8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_BEF9B5362A6AC71309DB82EF06F0040D" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_BEF9B5362A6AC71309DB82EF06F0040D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_A12CFEE0A8901125CD4082EF06F0527D" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_A12CFEE0A8901125CD4082EF06F0527D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_3F956C0C9F0509971DD582EF06F0D948" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_7C78FFEB809C6DA50CB582EF06EF2A8A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_3F956C0C9F0509971DD582EF06F0D948" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockholdersEquityTables" xlink:type="extended" />
</linkbase>
