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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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 1Q5yB2p9aLjV7FCuewQT9g==

<SEC-DOCUMENT>0001186410-03-000006.txt : 20030903
<SEC-HEADER>0001186410-03-000006.hdr.sgml : 20030903
<ACCEPTANCE-DATETIME>20030903185340
ACCESSION NUMBER:		0001186410-03-000006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030829
FILED AS OF DATE:		20030903

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYBASE INC
		CENTRAL INDEX KEY:			0000768262
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				942951005
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE SYBASE DRIVE
		CITY:			DUBLIN
		STATE:			CA
		ZIP:			94568
		BUSINESS PHONE:		9252365000

	MAIL ADDRESS:	
		STREET 1:		ONE SYBASE DRIVE
		CITY:			DUBLIN
		STATE:			CA
		ZIP:			94568

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HO BILLY
		CENTRAL INDEX KEY:			0001186402

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16493
		FILM NUMBER:		03880047

	BUSINESS ADDRESS:	
		STREET 1:		5000 HACIENDA DR
		CITY:			DUBLIN
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		9252365000

	MAIL ADDRESS:	
		STREET 1:		5000 HACIENDA DR
		CITY:			DUBLIN
		STATE:			CA
		ZIP:			94568
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-08-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000768262</issuerCik>
        <issuerName>SYBASE INC</issuerName>
        <issuerTradingSymbol>SYBS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001186402</rptOwnerCik>
            <rptOwnerName>HO BILLY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3030 DEER MEADOW DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DANVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94506</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr VP &amp; GM - eBD</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-08-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>690</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.3675</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14883</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares purchased under Sybase, Inc., 1991 Employee Stock Purchase Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Julie A. Loosli, Attorney-in-Fact  For: Sai Yuen B Ho</signatureName>
        <signatureDate>2003-09-03</signatureDate>
    </ownerSignature>

</ownershipDocument>

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