-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 lZzjBbm5Vj7iuBPKkVjdfg==

<SEC-DOCUMENT>0001201361-04-000111.txt : 20041216
<SEC-HEADER>0001201361-04-000111.hdr.sgml : 20041216
<ACCEPTANCE-DATETIME>20041216151816
ACCESSION NUMBER:		0001201361-04-000111
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041214
FILED AS OF DATE:		20041216
DATE AS OF CHANGE:		20041216

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JABIL CIRCUIT INC
		CENTRAL INDEX KEY:			0000898293
		STANDARD INDUSTRIAL CLASSIFICATION:	PRINTED CIRCUIT BOARDS [3672]
		IRS NUMBER:				381886260
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		10560 NINTH ST NORTH
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33716
		BUSINESS PHONE:		7275779749

	MAIL ADDRESS:	
		STREET 1:		10560 NINTH STREET NORTH
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33716

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MOREAN WILLIAM D
		CENTRAL INDEX KEY:			0001054418

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14063
		FILM NUMBER:		041208032

	BUSINESS ADDRESS:	
		STREET 1:		C/O JABIL CIRCUIT INC
		STREET 2:		10560 DR. MARTIN LUTHER KING JR. ST N
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33716-3718
		BUSINESS PHONE:		813-577-9749

	MAIL ADDRESS:	
		STREET 1:		10560 DR. MARTIN LUTHER KING JR. ST N
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33716-3718
</SEC-HEADER>
<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>2004-12-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001054418</rptOwnerCik>
            <rptOwnerName>MOREAN WILLIAM D</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>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>26.39</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-12-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-06-14</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-12-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Options shall vest at the rate of 12% of the shares six (6) months after the date of grant (which date of grant was 12/14/04) and 2% of the shares on the same calendar day of each successive month thereafter, provided that in all instances the optionee is an employee of, or consultant (as defined in the relevant stock incentive plan) to, the Company or a subsidiary.</footnote>
        <footnote id="F2">The derivative security is a stock option issued under the Issuer's 2002 Stock Incentive Plan.  $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: William D. Morean</signatureName>
        <signatureDate>2004-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>

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