-----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,
 Vc0jqQerIESkHD8Hgh+OnV4dKB0VHW0dX8lflhMbxVckUvSWJh2r29qRr9rVdrOd
 fKUYX4aHYU25OpU1Vcv63A==

<SEC-DOCUMENT>0001019093-04-000001.txt : 20040130
<SEC-HEADER>0001019093-04-000001.hdr.sgml : 20040130
<ACCEPTANCE-DATETIME>20040130103027
ACCESSION NUMBER:		0001019093-04-000001
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031231
FILED AS OF DATE:		20040130

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRUSTMARK CORP
		CENTRAL INDEX KEY:			0000036146
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				640471500
		STATE OF INCORPORATION:			MS
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		248 E CAPITOL ST
		STREET 2:		P O BOX 291
		CITY:			JACKSON
		STATE:			MS
		ZIP:			39201
		BUSINESS PHONE:		6013545111

	MAIL ADDRESS:	
		STREET 1:		248 EAST CAPITOL STREET
		CITY:			JACKSON
		STATE:			MS
		ZIP:			39201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST CAPITAL CORP
		DATE OF NAME CHANGE:	19900513

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WALKER LEROY G JR
		CENTRAL INDEX KEY:			0001019093

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-03683
		FILM NUMBER:		04554370

	BUSINESS ADDRESS:	
		STREET 1:		C/O TRUSTMARK NATIONAL BANK
		STREET 2:		248 E CAPITOL ST.
		CITY:			JACKSON
		STATE:			MS
		ZIP:			39201
		BUSINESS PHONE:		6013545111

	MAIL ADDRESS:	
		STREET 1:		2310 HIGHWAY 80 WEST
		STREET 2:		STE 3160
		CITY:			JACKSON
		STATE:			MS
		ZIP:			39204
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2003-12-31</periodOfReport>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000036146</issuerCik>
        <issuerName>TRUSTMARK CORP</issuerName>
        <issuerTradingSymbol>TRMK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001019093</rptOwnerCik>
            <rptOwnerName>WALKER LEROY G JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P. O. BOX 291</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>JACKSON</rptOwnerCity>
            <rptOwnerState>MS</rptOwnerState>
            <rptOwnerZipCode>39205-0291</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Owned Subsidiary</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common</value>
            </securityTitle>
            <transactionDate>
                <value>2003-12-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>55</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1117</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares acquired thru a dividend reinvestment plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Leroy G. Walker, Jr. By: T. Harris Collier, III, POA</signatureName>
        <signatureDate>2004-01-30</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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