<SUBMISSION>
<ACCESSION-NUMBER>0001201361-03-000132
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20031003
<FILING-DATE>20031006
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>JABIL CIRCUIT INC
<CIK>0000898293
<ASSIGNED-SIC>3672
<IRS-NUMBER>381886260
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>0831
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>10560 NINTH ST NORTH
<CITY>ST PETERSBURG
<STATE>FL
<ZIP>33716
<PHONE>7275779749
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>10560 NINTH STREET NORTH
<CITY>ST PETERSBURG
<STATE>FL
<ZIP>33716
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>EDWARDS WESLEY B
<CIK>0001196730
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-14063
<FILM-NUMBER>03929929
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>C/O JABIL CIRCUIT INC
<STREET2>10560 DR. MARTIN LUTHER KING JR. ST N
<CITY>ST PETERSBURG
<STATE>FL
<ZIP>33716-3718
<PHONE>727-803-3309
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>10560 DR. MARTIN LUTHER KING JR. ST N
<CITY>ST PETERSBURG
<STATE>FL
<ZIP>33716-3718
</MAIL-ADDRESS>
</REPORTING-OWNER>
<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>2003-10-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000898293</issuerCik>
        <issuerName>JABIL CIRCUIT INC</issuerName>
        <issuerTradingSymbol>JBL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001196730</rptOwnerCik>
            <rptOwnerName>EDWARDS WESLEY B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10560 DR. MARTIN LUTHER KING JR. ST N</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ST. PETERSBURG</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33716-3718</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. VP, Strategic Operations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-10-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>37037</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>By: Robert L. Paver, Attorney-in-Fact  For: Wesley B. Edwards</signatureName>
        <signatureDate>2003-10-06</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
