-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 C3OfDM5QbkJ5bEbjLCmhZCArkuhNCjM72AUqi7E8QWvWTZdo6DM9PERP9G0Y0DyK
 zwS6HWv9D+IuCvMHE8+2Cw==

<SEC-DOCUMENT>0001179110-09-017043.txt : 20091216
<SEC-HEADER>0001179110-09-017043.hdr.sgml : 20091216
<ACCEPTANCE-DATETIME>20091216164548
ACCESSION NUMBER:		0001179110-09-017043
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091210
FILED AS OF DATE:		20091216
DATE AS OF CHANGE:		20091216

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROUSSEAU MICHAEL T
		CENTRAL INDEX KEY:			0001233677

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12441
		FILM NUMBER:		091245065

	MAIL ADDRESS:	
		STREET 1:		ONE ST JUDE MEDICAL DRIVE
		CITY:			ST. PAUL
		STATE:			MN
		ZIP:			55117

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ST JUDE MEDICAL INC
		CENTRAL INDEX KEY:			0000203077
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				411276891
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE ST JUDE MEDICAL DRIVE
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55117
		BUSINESS PHONE:		6517562000

	MAIL ADDRESS:	
		STREET 1:		ONE ST JUDE MEDICAL DRIVE
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55117
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-12-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000203077</issuerCik>
        <issuerName>ST JUDE MEDICAL INC</issuerName>
        <issuerTradingSymbol>STJ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001233677</rptOwnerCik>
            <rptOwnerName>ROUSSEAU MICHAEL T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE ST. JUDE MEDICAL DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ST. PAUL</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55117</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Group President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-12-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>365</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>37.90</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18553</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">1,000 shares of restricted stock vested on December 10, 2009.  365 shares were used to pay taxes and 635 shares were released.</footnote>
        <footnote id="F2">Includes 536 shares acquired through the Company Employee Stock Purchase Plan as of 7/31/09.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kashif Rashid, Attorney in Fact</signatureName>
        <signatureDate>2009-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----