-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 WLqiRtwkSm67LJVTrDPYJ+xu3wdgR1hTZUA7Rh4yz7sV2ixXsjDeodp+bh+6eyZ/
 XqiHu712s3hVklXuxnJ02Q==

<SEC-DOCUMENT>0001140361-09-029337.txt : 20091216
<SEC-HEADER>0001140361-09-029337.hdr.sgml : 20091216
<ACCEPTANCE-DATETIME>20091216161145
ACCESSION NUMBER:		0001140361-09-029337
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091214
FILED AS OF DATE:		20091216
DATE AS OF CHANGE:		20091216

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Delek US Holdings, Inc.
		CENTRAL INDEX KEY:			0001351541
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO DEALERS & GASOLINE STATIONS [5500]
		IRS NUMBER:				522319066

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		615-771-6701

	MAIL ADDRESS:	
		STREET 1:		830 CRESCENT CENTRE DRIVE
		STREET 2:		SUITE 300
		CITY:			FRANKLIN
		STATE:			TN
		ZIP:			37067

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Delek Group, Ltd.
		CENTRAL INDEX KEY:			0001361371
		STATE OF INCORPORATION:			L3
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32868
		FILM NUMBER:		091244752

	BUSINESS ADDRESS:	
		STREET 1:		7, GIBOREI ISRAEL STREET, P.O.B. 8464
		STREET 2:		INDUSTRIAL ZONE SOUTH
		CITY:			NETANYA
		STATE:			L3
		ZIP:			42504
		BUSINESS PHONE:		011-972-9-863-8590

	MAIL ADDRESS:	
		STREET 1:		7, GIBOREI ISRAEL STREET, P.O.B. 8464
		STREET 2:		INDUSTRIAL ZONE SOUTH
		CITY:			NETANYA
		STATE:			L3
		ZIP:			42504
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-12-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001351541</issuerCik>
        <issuerName>Delek US Holdings, Inc.</issuerName>
        <issuerTradingSymbol>DK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001361371</rptOwnerCik>
            <rptOwnerName>Delek Group, Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7, GIBOREI ISRAEL STREET, P.O.B. 8464</rptOwnerStreet1>
            <rptOwnerStreet2>INDUSTRIAL ZONE SOUTH</rptOwnerStreet2>
            <rptOwnerCity>NETANYA</rptOwnerCity>
            <rptOwnerState>L3</rptOwnerState>
            <rptOwnerZipCode>42504</rptOwnerZipCode>
            <rptOwnerStateDescription>ISRAEL</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-12-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>22971</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.8395</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>39636432</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-12-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.8969</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>39736432</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The purchase price is a weighted average resulting from four different purchase prices ranging between $5.8171 and $5.95.  The reporting person will maintain documentation that shows the number of shares purchased at each separate price, and, upon written request, will provide this information to the SEC staff, the issuer, or a security holder of the issuer.</footnote>
        <footnote id="F2">Represents 39,389,869 and 246,563 shares owned of record by subsidiaries Delek Hungary Holding Limited Liability Company and Delek Petroleum, Ltd. respectively.  Delek Group, Ltd. disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein.</footnote>
        <footnote id="F3">The purchase price is a weighted average resulting from 12 different purchase prices ranging between $5.8373 and $5.9947.  The reporting person will maintain documentation that shows the number of shares purchased at each separate price, and, upon written request, will provide this information to the SEC staff, the issuer, or a security holder of the issuer.</footnote>
        <footnote id="F4">Represents 39,389,869 and 346,563 shares owned of record by subsidiaries Delek Hungary Holding Limited Liability Company and Delek Petroleum, Ltd. respectively.  Delek Group, Ltd. disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Leora Pratt Levin, Attorney-In-Fact</signatureName>
        <signatureDate>2009-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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