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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 PJafXLLy0Bke02V+QmtahwZASslObGUBoxjm9qYBzn1PLmzdTrqTwRwnJMI8lZMp
 ad5h6sgvHsxXPhZBy9SD2A==

<SEC-DOCUMENT>0001209191-09-031170.txt : 20090608
<SEC-HEADER>0001209191-09-031170.hdr.sgml : 20090608
<ACCEPTANCE-DATETIME>20090608170854
ACCESSION NUMBER:		0001209191-09-031170
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090423
FILED AS OF DATE:		20090608
DATE AS OF CHANGE:		20090608

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Leto James Todd
		CENTRAL INDEX KEY:			0001464126

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19394
		FILM NUMBER:		09880251

	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>2009-04-23</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001464126</rptOwnerCik>
            <rptOwnerName>Leto James Todd</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>SVP, Sales &amp; Marketing</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4452</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20813</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>675</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.06</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2003-10-24</value>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2009-10-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>8.79</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-07-08</value>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <value>2010-07-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>12.10</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-03-19</value>
                <footnoteId id="F7"/>
            </exerciseDate>
            <expirationDate>
                <value>2011-03-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>6.75</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2007-04-28</value>
                <footnoteId id="F8"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-04-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Appreciation Right</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>9.60</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2008-02-02</value>
                <footnoteId id="F9"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-02-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>64871</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">As of 4/23/2009, 1152 shares are owned and the balance of the Restricted Stock vests as follows: 1,650 shares on 7/21/2009; and 1,650 shares on 7/21/2010.</footnote>
        <footnote id="F2">Restricted Stock will vest as follows: 2,380 shares on 7/20/2009; 2,310 shares on 7/20/2010; and 2,310 shares on 7/20/2011.</footnote>
        <footnote id="F3">As of 4/23/2009, 6058 shares are owned and the balance of the Restricted Stock will vest as follows: 4,918 shares on 2/2/2010; 4,918 shares on 2/2/2011; and 4,919 shares on 2/2/2012.</footnote>
        <footnote id="F4">Restricted Stock granted on 1/30/2009; no vesting schedule.</footnote>
        <footnote id="F5">Stock Option vesting schedule: 5,000 shares on 10/24/2003; 5,000 shares on 10/24/2004; 5,000 shares on 10/24/2005; and 5,000 shares on 11/18/2005.</footnote>
        <footnote id="F6">Stock Option vesting schedule: 5,000 shares on 7/8/2004; 5,000 shares on 7/8/2005; 5,000 shares on 11/18/2005; and 5,000 shares on 11/18/2005.</footnote>
        <footnote id="F7">Stock Option vesting schedule: 1,250 shares on 3/19/2005; 1,250 shares on 11/18/2005; 1,250 shares on 11/18/2005; and 1,250 shares on 11/18/2005.</footnote>
        <footnote id="F8">Stock Option vesting schedule: 5,000 shares on 4/28/2007; 5,000 shares on 4/28/2008; 5,000 shares on 4/28/2009; and 5,000 shares on 4/28/2010.</footnote>
        <footnote id="F9">SAR vesting schedule: 12,974 shares on 2/2/2008; 12,974 shares on 2/2/2009; 12,974 shares on 2/2/2010; 12,974 shares on 2/2/2011; and 12,975 shares on 2/2/2012.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ James Todd Leto</signatureName>
        <signatureDate>2009-06-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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