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  <xsd:element name="InvestmentSegmentMember" id="iep_InvestmentSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccruedExpensesAndOtherLiabilitiesMember" id="iep_AccruedExpensesAndOtherLiabilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExpenseSharingAgreementMember" id="iep_ExpenseSharingAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CvrRefiningLpMember" id="iep_CvrRefiningLpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubsidiaryIndemnityAgreementPensionFundingContingenciesAsResultOfBeingInControlledGroupDistributionLimitationNetWorthFloor" id="iep_SubsidiaryIndemnityAgreementPensionFundingContingenciesAsResultOfBeingInControlledGroupDistributionLimitationNetWorthFloor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ComponentOfOtherIncomeLossNeTable" id="iep_ComponentOfOtherIncomeLossNeTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestrictedCashMember" id="iep_RestrictedCashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterestFairValue" id="iep_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterestFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OtherSegmentsAndHoldingCompanyMember" id="iep_OtherSegmentsAndHoldingCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComponentOfOtherIncomeLossNetAxis" id="iep_ComponentOfOtherIncomeLossNetAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DescriptionofBusinessTable" id="iep_DescriptionofBusinessTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Accumulatedothercomprehensiveincomelossdefinedbenefitplansnetoftax" id="iep_Accumulatedothercomprehensiveincomelossdefinedbenefitplansnetoftax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="IcahnEnterprisesGPMember" id="iep_IcahnEnterprisesGPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ChangesinAccumulatedOtherComprehensiveLossAbstract" id="iep_ChangesinAccumulatedOtherComprehensiveLossAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="A2026NotesMember" id="iep_A2026NotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DescriptionofBusinessLineItems" id="iep_DescriptionofBusinessLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EarningsPerLpUnitLineItems" id="iep_EarningsPerLpUnitLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnrealizedGainOnDerivativeContracts" id="iep_UnrealizedGainOnDerivativeContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="PaymentsForTurnaroundExpenditures" id="iep_PaymentsForTurnaroundExpenditures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PharmaSegmentMember" id="iep_PharmaSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncentivePlan2017Member" id="iep_IncentivePlan2017Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommunicationMember" id="iep_CommunicationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetSales" id="iep_NetSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CostOfGoodsSoldNew" id="iep_CostOfGoodsSoldNew" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="A4.7502024NotesMemberMember" id="iep_A4.7502024NotesMemberMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NewNotes2027Member" id="iep_NewNotes2027Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AggregateCashDistributionsToDepositaryUnitHolders" id="iep_AggregateCashDistributionsToDepositaryUnitHolders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NoncashInvestmentSegmentContributionsFromNoncontrollingInterests" id="iep_NoncashInvestmentSegmentContributionsFromNoncontrollingInterests" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="UtilitiesMember" id="iep_UtilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BrettIcahnMember" id="iep_BrettIcahnMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfApprovedTherapies" id="iep_NumberOfApprovedTherapies" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfProductCandidateInActiveClinicalDevelopment" id="iep_NumberOfProductCandidateInActiveClinicalDevelopment" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VivusMember" id="iep_VivusMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionAmountContributedInAccordanceWithManagerAgreement" id="iep_RelatedPartyTransactionAmountContributedInAccordanceWithManagerAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LesseeRightOfUseAssetsAndLiabilitiesTabletextblock" id="iep_LesseeRightOfUseAssetsAndLiabilitiesTabletextblock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentToAcquireSecurities" id="iep_PaymentToAcquireSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromSaleOfSecurities" id="iep_ProceedsFromSaleOfSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DueFromBrokers" id="iep_DueFromBrokers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="RecordedRevenueWithRespectToDeferredRevenueOutstanding" id="iep_RecordedRevenueWithRespectToDeferredRevenueOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IcahnEnterprisesHoldingsLimitedPartnersMember" id="iep_IcahnEnterprisesHoldingsLimitedPartnersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="A2029NotesMember" id="iep_A2029NotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InvestmentFundsTotalFairvalue" id="iep_InvestmentFundsTotalFairvalue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PscMetalLlcDisposalMember" id="iep_PscMetalLlcDisposalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationPercentageOfInterestSold" id="iep_DisposalGroupIncludingDiscontinuedOperationPercentageOfInterestSold" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SupplementalCashFlowNonCashDividendsToNonControllingInterestsInSubsidiary" id="iep_SupplementalCashFlowNonCashDividendsToNonControllingInterestsInSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="HealthCaresMember" id="iep_HealthCaresMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetsLeasedMember" id="iep_AssetsLeasedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ComprehensiveIncomeAttributableToLimitedPartnerNetOfTax" id="iep_ComprehensiveIncomeAttributableToLimitedPartnerNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ComprehensiveIncomeAttributableToGeneralPartnerNetOfTax" id="iep_ComprehensiveIncomeAttributableToGeneralPartnerNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StatementOfCashFlowPolicyTextBlock" id="iep_StatementOfCashFlowPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RevenueCurrentPortionOfRemainingPerformanceObligations" id="iep_RevenueCurrentPortionOfRemainingPerformanceObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OtherOperatingRevenue" id="iep_OtherOperatingRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DividendExpenseMember" id="iep_DividendExpenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IncomeLossFromNonConsolidatedAffiliatesMember" id="iep_IncomeLossFromNonConsolidatedAffiliatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GainLossOnDispositionOfAssetsNetMember" id="iep_GainLossOnDispositionOfAssetsNetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GainLossOnDebtExtinguishmentMember" id="iep_GainLossOnDebtExtinguishmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NinePointTwoFiveSeniorNotesDue2023Member" id="iep_NinePointTwoFiveSeniorNotesDue2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RenewableFuelStandardObligation" id="iep_RenewableFuelStandardObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TenderOfferUnitholdersDistributionThresholdTradingDays" id="iep_TenderOfferUnitholdersDistributionThresholdTradingDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CashHeldAtConsolidatedAffiliatedPartnershipsMember" id="iep_CashHeldAtConsolidatedAffiliatedPartnershipsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PartnershipContributionsReceivable" id="iep_PartnershipContributionsReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LegalSettlementLossMember" id="iep_LegalSettlementLossMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TemporaryEquityReversalOfDistributionPayable" id="iep_TemporaryEquityReversalOfDistributionPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="InvestmentSegmentDistributions" id="iep_InvestmentSegmentDistributions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CallOptionLawsuitsMember" id="iep_CallOptionLawsuitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FutureContractsMember" id="iep_FutureContractsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LineOfCreditFacilityIncrementalBorrowingCapacity" id="iep_LineOfCreditFacilityIncrementalBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SwinglineLoanMember" id="iep_SwinglineLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="VariableInterestEntitiesAssetsUnderManagementPercentage" id="iep_VariableInterestEntitiesAssetsUnderManagementPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ProceedsFromPaymentsForInvestmentSegmentDistributions" id="iep_ProceedsFromPaymentsForInvestmentSegmentDistributions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PortfolioManagerTerm" id="iep_PortfolioManagerTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfPortfolios" id="iep_NumberOfPortfolios" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfLumpSumPaymentsAfterTerm" id="iep_NumberOfLumpSumPaymentsAfterTerm" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
</xsd:schema>
