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  <xsd:element name="RestrictedCashMember" id="iep_RestrictedCashMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfEarningsPerLpUnitTable" id="iep_ScheduleOfEarningsPerLpUnitTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsBySegmentTable" id="iep_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsBySegmentTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFiniteLivedAndInfiniteLivedIntangibleAssetsTableTextBlock" id="iep_ScheduleOfFiniteLivedAndInfiniteLivedIntangibleAssetsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StarfireHoldingCorporationMember" id="iep_StarfireHoldingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubsidiaryIndemnityAgreementPensionFundingContingenciesAsResultOfBeingInControlledGroupDistributionLimitationNetWorthFloor" id="iep_SubsidiaryIndemnityAgreementPensionFundingContingenciesAsResultOfBeingInControlledGroupDistributionLimitationNetWorthFloor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterestFairValue" id="iep_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterestFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="SupplementalcashflowinformationLineItems" id="iep_SupplementalcashflowinformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SupplementalcashflowinformationTable" id="iep_SupplementalcashflowinformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Supplementalcashflownoncashdistribution" id="iep_Supplementalcashflownoncashdistribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TechnologyMember" id="iep_TechnologyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ViskaseMember" id="iep_ViskaseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="iep_NonServicePensionAndOtherPostRetirementBenefitsExpenseMember" name="NonServicePensionAndOtherPostRetirementBenefitsExpenseMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_IncomeLossFromNonConsolidatedAffiliatesMember" name="IncomeLossFromNonConsolidatedAffiliatesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_AutomotivePartsMember" name="AutomotivePartsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_AutomotiveServicesRevenueMember" name="AutomotiveServicesRevenueMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_NitrogenFertilizerProductsMember" name="NitrogenFertilizerProductsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_VariableInterestEntitiesEquityEarnings" name="VariableInterestEntitiesEquityEarnings" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_CommunicationMember" name="CommunicationMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_GainsLossOnInvestmentsRealized" name="GainsLossOnInvestmentsRealized" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_NewNotes2027Member" name="NewNotes2027Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_NewNotesDue2025Member" name="NewNotesDue2025Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_NewNotesDue2028Member" name="NewNotesDue2028Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_NoncashInvestmentSegmentContributionsFromNoncontrollingInterests" name="NoncashInvestmentSegmentContributionsFromNoncontrollingInterests" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_IncreaseDecreaseRelatedPartyTransactionAmounts" name="IncreaseDecreaseRelatedPartyTransactionAmounts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_IndustrialMember" name="IndustrialMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_PurchasesOfSecurities" name="PurchasesOfSecurities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_ProceedsFromSaleOfSecurities" name="ProceedsFromSaleOfSecurities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_DueFromBrokers" name="DueFromBrokers" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="iep_UnrealizedGainOnDerivativeContracts" name="UnrealizedGainOnDerivativeContracts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="iep_Cvr2022NotesMember" name="Cvr2022NotesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_PaymentsForTurnaroundExpenditures" name="PaymentsForTurnaroundExpenditures" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_NetSales" name="NetSales" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_OtherOperatingRevenue" name="OtherOperatingRevenue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_CostOfGoodsSoldNew" name="CostOfGoodsSoldNew" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_CostOfOtherRevenueFromOperations" name="CostOfOtherRevenueFromOperations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_TemporaryEquityReversalOfDistributionPayable" name="TemporaryEquityReversalOfDistributionPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_InvestmentSegmentContributions" name="InvestmentSegmentContributions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_PaymentsForAdditionalInterestsInConsolidatedSubsidiaries" name="PaymentsForAdditionalInterestsInConsolidatedSubsidiaries" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_InvestmentsFinancialInformationTableTextBlock" name="InvestmentsFinancialInformationTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="iep_RecordedRevenueWithRespectToDeferredRevenueOutstanding" name="RecordedRevenueWithRespectToDeferredRevenueOutstanding" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_AccountsReceivableNetMember" name="AccountsReceivableNetMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_UnrealizedGainOnDerivativeContractsMember" name="UnrealizedGainOnDerivativeContractsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_UnrealizedLossOnDerivativeContractsMember" name="UnrealizedLossOnDerivativeContractsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_WestpointHomeLlcMember" name="WestpointHomeLlcMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_MiningSegmentsMember" name="MiningSegmentsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="iep_CashHeldAtConsolidatedAffiliatedPartnershipsAndRestrictedCashMember" name="CashHeldAtConsolidatedAffiliatedPartnershipsAndRestrictedCashMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="iep_IntangibleAssetsNetMember" name="IntangibleAssetsNetMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_DueToBrokersMember" name="DueToBrokersMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_CashHeldAtConsolidatedAffiliatedPartnershipsMember" name="CashHeldAtConsolidatedAffiliatedPartnershipsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_InvestmentInFundsMember" name="InvestmentInFundsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_CommodityContractsNotConsideredProbableOfSettlementMember" name="CommodityContractsNotConsideredProbableOfSettlementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_StatementOfCashFlowPolicyPolicyTextBlock" name="StatementOfCashFlowPolicyPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="iep_OperatingLeaseTermsAndDiscountRatesTableTextBlock" name="OperatingLeaseTermsAndDiscountRatesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="iep_RevenueCurrentPortionOfRemainingPerformanceObligation" name="RevenueCurrentPortionOfRemainingPerformanceObligation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="iep_PercentageFairValueOfInvestmentsInFundsThatIsAttributableToMr.icahn" name="PercentageFairValueOfInvestmentsInFundsThatIsAttributableToMr.icahn" nillable="true" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="iep_VariableInterestEntityNonConsolidatedAssetsAtVie" name="VariableInterestEntityNonConsolidatedAssetsAtVie" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="iep_InvestmentInNonConsolidatedVie" name="InvestmentInNonConsolidatedVie" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_InvestmentInRelatedParties" name="InvestmentInRelatedParties" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="iep_InvestmentsMeasuredAtFairValue" name="InvestmentsMeasuredAtFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="iep_AggregateCashDistributionsToDepositaryUnitHolders" name="AggregateCashDistributionsToDepositaryUnitHolders" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_PotentialAggregateSalesProceedsFromEquityOffering" name="PotentialAggregateSalesProceedsFromEquityOffering" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_OtherComprehensiveIncomeGainLossReclassificationAdjustmentFromAociAfterTax" name="OtherComprehensiveIncomeGainLossReclassificationAdjustmentFromAociAfterTax" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_VariableInterestEntityNonConsolidatedLiabilityAtVie" name="VariableInterestEntityNonConsolidatedLiabilityAtVie" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="iep_TermLoanMember" name="TermLoanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_IncentivePlan2017Member" name="IncentivePlan2017Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_RestrictedDepositaryUnitsMember" name="RestrictedDepositaryUnitsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingPeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>
