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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>0000057515-09-000043.txt : 20091117
<SEC-HEADER>0000057515-09-000043.hdr.sgml : 20091117
<ACCEPTANCE-DATETIME>20091117141351
ACCESSION NUMBER:		0000057515-09-000043
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091117
FILED AS OF DATE:		20091117
DATE AS OF CHANGE:		20091117

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ONEILL HENRY M JR
		CENTRAL INDEX KEY:			0001220949

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-04065
		FILM NUMBER:		091190029

	MAIL ADDRESS:	
		STREET 1:		LANCASTER COLONY CORP
		STREET 2:		37 W. BROAD ST.
		CITY:			COLUMBUS
		STATE:			OH
		ZIP:			43215

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LANCASTER COLONY CORP
		CENTRAL INDEX KEY:			0000057515
		STANDARD INDUSTRIAL CLASSIFICATION:	CANNED, FROZEN & PRESERVED FRUIT, VEG & FOOD SPECIALTIES [2030]
		IRS NUMBER:				131955943
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		37 W. BROAD STREET
		STREET 2:		5TH FLOOR
		CITY:			COLUMBUS
		STATE:			OH
		ZIP:			43215
		BUSINESS PHONE:		6142247141

	MAIL ADDRESS:	
		STREET 1:		37 W. BROAD STREET
		STREET 2:		5TH FLOOR
		CITY:			COLUMBUS
		STATE:			OH
		ZIP:			43215
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-11-17</periodOfReport>

    <issuer>
        <issuerCik>0000057515</issuerCik>
        <issuerName>LANCASTER COLONY CORP</issuerName>
        <issuerTradingSymbol>LANC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001220949</rptOwnerCik>
            <rptOwnerName>ONEILL HENRY M JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>IRTH SOLUTIONS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>5009 HORIZONS DRIVE</rptOwnerStreet2>
            <rptOwnerCity>COLUMBUS</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>43220</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</value>
            </securityTitle>
            <transactionDate>
                <value>2009-11-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1205</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23856</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Restricted stock awarded Mr. O'Neill in his capacity as director pursuant to the 2005 Stock Plan.  The restricted stock will vest on November 16,  2010.  Vesting would accelerate on a change in control, death or disability.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Patricia A. Schnieder, POA for Henry M. O'Neill, Jr.</signatureName>
        <signatureDate>2009-11-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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