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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001209191-10-023561.txt : 20100423
<SEC-HEADER>0001209191-10-023561.hdr.sgml : 20100423
<ACCEPTANCE-DATETIME>20100423182435
ACCESSION NUMBER:		0001209191-10-023561
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100421
FILED AS OF DATE:		20100423
DATE AS OF CHANGE:		20100423

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gillespie Sandra Beth
		CENTRAL INDEX KEY:			0001489901

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19394
		FILM NUMBER:		10768399

	MAIL ADDRESS:	
		STREET 1:		GTSI CORP.
		STREET 2:		2553 DULLES VIEW DRIVE, SUITE 100
		CITY:			HERNDON
		STATE:			VA
		ZIP:			20171

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GTSI CORP
		CENTRAL INDEX KEY:			0000850483
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-COMPUTER & PERIPHERAL EQUIPMENT & SOFTWARE [5045]
		IRS NUMBER:				541248422
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2553 DULLES VIEW DRIVE
		STREET 2:		SUITE 100
		CITY:			HERNDON
		STATE:			VA
		ZIP:			20171-5219
		BUSINESS PHONE:		703-502-2000

	MAIL ADDRESS:	
		STREET 1:		2553 DULLES VIEW DRIVE
		STREET 2:		SUITE 100
		CITY:			HERNDON
		STATE:			VA
		ZIP:			20171-5219
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-04-21</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000850483</issuerCik>
        <issuerName>GTSI CORP</issuerName>
        <issuerTradingSymbol>GTSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001489901</rptOwnerCik>
            <rptOwnerName>Gillespie Sandra Beth</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GTSI CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>2553 DULLES VIEW DRIVE, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>HERNDON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>20171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Appreciation Right</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>9.60</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2010-10-30</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-10-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>40000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>5.55</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2011-03-31</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2017-03-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>15000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted Stock will vest as follows: 3,000 shares on 10/30/2010; 3,000 shares on 10/30/2011; 3,000 shares on 10/30/2012; 3,000 shares on 10/30/2013; and 3,000 shares on 10/30/2014.</footnote>
        <footnote id="F2">SAR vesting schedule: 8,000 shares on 10/30/2010; 8,000 shares on 10/30/2011; 8,000 shares on 10/30/2012; 8,000 shares on 10/30/2013; and 8,000 shares on 10/30/2014.</footnote>
        <footnote id="F3">Stock Option vesting schedule:  3,000 on lst anniversary of Grant Date/March 31, 2011; 3,000 on 2nd anniversary of Grant Date/March 31, 2012; 3,000 on 3rd anniversary of Grant Date/March 31, 2013; 3,000 on 4th anniversary of Grant Date/March 31, 2014; and 3,000 on 5th anniversary of Grant Date/March 31, 2015.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Sandra B. Gillespie</signatureName>
        <signatureDate>2010-04-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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