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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001209191-11-014550.txt : 20110302
<SEC-HEADER>0001209191-11-014550.hdr.sgml : 20110302
<ACCEPTANCE-DATETIME>20110302175054
ACCESSION NUMBER:		0001209191-11-014550
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100129
FILED AS OF DATE:		20110302
DATE AS OF CHANGE:		20110302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCCARTEN WILLIAM W
		CENTRAL INDEX KEY:			0001238126

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32514
		FILM NUMBER:		11657644

	MAIL ADDRESS:	
		STREET 1:		C/O DIAMONDROCK HOSPITALITY COMPANY
		STREET 2:		10400 FERNWOOD ROAD, SUITE 300
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DiamondRock Hospitality Co
		CENTRAL INDEX KEY:			0001298946
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6903 ROCKLEDGE DRIVE
		STREET 2:		SUITE 800
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817
		BUSINESS PHONE:		240-744-1150

	MAIL ADDRESS:	
		STREET 1:		6903 ROCKLEDGE DRIVE
		STREET 2:		SUITE 800
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc4a.xml
<DESCRIPTION>FORM 4/A SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2010-01-29</periodOfReport>

    <dateOfOriginalSubmission>2010-03-05</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001298946</issuerCik>
        <issuerName>DiamondRock Hospitality Co</issuerName>
        <issuerTradingSymbol>DRH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001238126</rptOwnerCik>
            <rptOwnerName>MCCARTEN WILLIAM W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DIAMONDROCK HOSPITALITY COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>3 BETHESDA METRO CENTER, SUITE 1500</rptOwnerStreet2>
            <rptOwnerCity>BETHESDA</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20814</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2010-01-29</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1174</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.5711</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>686470.09</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Disposition of shares to the company to satisfy net share withholding obligation.</footnote>
        <footnote id="F2">Includes shares issued as a dividend on shares previously held, paid on January 29, 2010.</footnote>
        <footnote id="F3">Includes shares inadvertantly omitted in original filing.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ William J. Tennis, attorney-in-fact</signatureName>
        <signatureDate>2011-03-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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