-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 JTnEN3dYiK6Cb+25Xlkr9rOY1mQqZkbAgDGp75UWnhJngoKyUOqrSI33R99zcNu0
 q/NDcFPgWLrAvoIVzd628g==

<SEC-DOCUMENT>0001140361-10-015364.txt : 20100405
<SEC-HEADER>0001140361-10-015364.hdr.sgml : 20100405
<ACCEPTANCE-DATETIME>20100405174349
ACCESSION NUMBER:		0001140361-10-015364
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100405
FILED AS OF DATE:		20100405
DATE AS OF CHANGE:		20100405

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NINIVAGGI DANIEL A
		CENTRAL INDEX KEY:			0001257599

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09516
		FILM NUMBER:		10732509

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ICAHN ENTERPRISES L.P.
		CENTRAL INDEX KEY:			0000813762
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTORS, NEC [6799]
		IRS NUMBER:				133398766
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		767 FIFTH AVENUE
		STREET 2:		SUITE 4700
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10153
		BUSINESS PHONE:		212-702-4300

	MAIL ADDRESS:	
		STREET 1:		767 FIFTH AVENUE
		STREET 2:		SUITE 4700
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10153

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN REAL ESTATE PARTNERS L P
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-04-05</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000813762</issuerCik>
        <issuerName>ICAHN ENTERPRISES L.P.</issuerName>
        <issuerTradingSymbol>IEP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001257599</rptOwnerCik>
            <rptOwnerName>NINIVAGGI DANIEL A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ICAHN ENTERPRISES L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>767 FIFTH AVENUE, 47TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10153</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President of General Partner</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Class A Option to buy Depositary Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>45.6</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2010-02-11</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-12-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Depositary Units</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Option to buy Depositary Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>55.6</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2010-02-11</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-12-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Depositary Units</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Depositary Units representing limited partner interests in Icahn Enterprises L.P.</footnote>
        <footnote id="F2">The Class A option shall vest: (i) as to 33,334 Depositary Units, on December 31, 2010; (ii) as to 33,333 Depositary Units, on December 31, 2011; and (iii) as to the balance of 33,333 Depositary Units, on December 31, 2012.</footnote>
        <footnote id="F3">The Class B option shall vest: (i) as to 33,334 Depositary Units, on December 31, 2010; (ii) as to 33,333 Depositary Units, on December 31, 2011; and (iii) as to the balance of 33,333 Depositary Units, on December 31, 2012.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>DANIEL A. NINIVAGGI</signatureName>
        <signatureDate>2010-04-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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