-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AY08epu2Eib0i0qT3/WvshLMntk1mKv3gRxIpVy2uyuEElMvZ2UZF3UIKh1hADIN
 vK/WU2n4n9bI89WI5IIH1A==

<SEC-DOCUMENT>0000852772-05-000014.txt : 20050204
<SEC-HEADER>0000852772-05-000014.hdr.sgml : 20050204
<ACCEPTANCE-DATETIME>20050204175929
ACCESSION NUMBER:		0000852772-05-000014
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050202
FILED AS OF DATE:		20050204
DATE AS OF CHANGE:		20050204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SMITHART-OGLESBY DEBRA
		CENTRAL INDEX KEY:			0001241670

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18051
		FILM NUMBER:		05578343

	BUSINESS ADDRESS:	
		STREET 1:		203 EAST MAIN STREET
		CITY:			SPARTANBURG
		STATE:			SC
		ZIP:			29319

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DENNYS CORP
		CENTRAL INDEX KEY:			0000852772
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				133487402
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1203

	BUSINESS ADDRESS:	
		STREET 1:		203 E MAIN ST
		CITY:			SPARTANBURG
		STATE:			SC
		ZIP:			29319
		BUSINESS PHONE:		8645978000

	MAIL ADDRESS:	
		STREET 1:		203 EAST MAIN STREET
		CITY:			SPARTANBURG
		STATE:			SC
		ZIP:			29319

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADVANTICA RESTAURANT GROUP INC
		DATE OF NAME CHANGE:	19980107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FLAGSTAR COMPANIES INC
		DATE OF NAME CHANGE:	19930722

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TW HOLDINGS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-02-02</periodOfReport>

    <issuer>
        <issuerCik>0000852772</issuerCik>
        <issuerName>DENNYS CORP</issuerName>
        <issuerTradingSymbol>DNYY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001241670</rptOwnerCik>
            <rptOwnerName>SMITHART-OGLESBY DEBRA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2938 MAJOR RIDGE TRAIL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DULUTH</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30097</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.34</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-02-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>18900</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.34</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-02-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18900</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18900</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Deferred Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-02-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8440</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8440</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8440</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option granted on 02/02/05 pursuant to the Denny's Corporation 2004 Omnibus Incentive Plan, vests annually in 33 1/3% increments beginning on the first (1st) anniversary of the grant date and expires on the tenth (10th) anniversary of the grant date.</footnote>
        <footnote id="F2">Deferred Stock Units were granted under the Denny's Corporation 2004 Omnibus Incentive Plan and are payable, on a &quot;1-for-1&quot; basis, in common stock of the Issuer upon the reporting person's termination of service as a director of Denny's Corporation.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>J. Scott Melton for Debra Smithart-Oglesby</signatureName>
        <signatureDate>2005-02-04</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----