-----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,
 QA9juPbJEfgznxoNo9KOw7mQuqDS9Lv8MPo6lgyolyXm5OsQrOPeuYcTcfJ9T2OU
 SDI594Mb/ix6FxJEsJOtMw==

<SEC-DOCUMENT>0000057515-10-000038.txt : 20101116
<SEC-HEADER>0000057515-10-000038.hdr.sgml : 20101116
<ACCEPTANCE-DATETIME>20101116102702
ACCESSION NUMBER:		0000057515-10-000038
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101115
FILED AS OF DATE:		20101116
DATE AS OF CHANGE:		20101116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cooke Keneth L
		CENTRAL INDEX KEY:			0001504236

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-04065
		FILM NUMBER:		101195318

	MAIL ADDRESS:	
		STREET 1:		INTERMEDIX CORPORATION
		STREET 2:		6451 N. FEDERAL HIGHWAY
		CITY:			FT. LAUDERDALE
		STATE:			FL
		ZIP:			33308

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>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-11-15</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001504236</rptOwnerCik>
            <rptOwnerName>Cooke Keneth L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>INTERMEDIX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>6451 N. FEDERAL HIGHWAY</rptOwnerStreet2>
            <rptOwnerCity>FT. LAUDERDALE</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33308</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Patricia A. Schnieder POA for Kenneth L. Cooke</signatureName>
        <signatureDate>2010-11-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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