<SUBMISSION>
<ACCESSION-NUMBER>0001201361-07-000009
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20070430
<FILING-DATE>20070502
<DATE-OF-FILING-DATE-CHANGE>20070502
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>MCGEE JOSEPH A
<CIK>0001196745
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-14063
<FILM-NUMBER>07811647
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>C/O JABIL CIRCUIT INC
<STREET2>10560 NINTH STREET NORTH
<CITY>ST PETERSBURG
<STATE>FL
<ZIP>33716
<PHONE>7278033309
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<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>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-04-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001196745</rptOwnerCik>
            <rptOwnerName>MCGEE JOSEPH A</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>SVP, Global Business Units</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2007-04-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>59447</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>119180</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>McGee Revocable Tr</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Prepaid Variable Forward Contract (right to sell)</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-04-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-04-29</value>
            </exerciseDate>
            <expirationDate>
                <value>2007-04-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>40000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On April 29, 2005, the reporting person entered into a prepaid variable forward contract with a securities brokerage firm.  Under the terms of the documents relating to such contract, the reporting person had to deliver up to the 40,000 shares of the Issuer's common stock referenced in column 7 of Table II to the securities brokerage firm on April 30, 2007.  The number of shares the reporting person had to deliver on such date was a function of the closing price of the Issuer's common stock on such date. The amounts that would be in columns 2 and 8 of Table II were also a function of, among other things, the closing price of the Issuer's common stock on April 30, 2007.  Such prepaid variable forward contract terminated by its terms on April 30, 2007 and pursuant to its terms all 40,000 shares of the Issuer's common stock that were subject to such prepaid variable forward contract were retained by the securities brokerage firm on April 30, 2007.</footnote>
        <footnote id="F2">The derivative security is a prepaid variable forward contract as referenced in footnote (1).  $0.00 has been inserted to satisfy the requirements to submit this form via the EDGAR system.</footnote>
        <footnote id="F3">Column 5 of Table I includes 598 shares acquired on December 31, 2006 under the 2002 Employee Stock Purchase Plan of Jabil Circuit, Inc.</footnote>
        <footnote id="F4">$0.00 has been inserted to satisfy the requirements to submit this form via the EDGAR system.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Robert L. Paver, Attorney-in-Fact  For: Joseph A. McGee</signatureName>
        <signatureDate>2007-05-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
