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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TvxtiA5KE74VB1V6BxuWM2UMq9dl4lR+iV2o2vvbXMsp3EJ6xR83CzztKPff6BN3
 raOshPRTvqJOs9TzNBatJQ==

<SEC-DOCUMENT>0001179110-10-013435.txt : 20100902
<SEC-HEADER>0001179110-10-013435.hdr.sgml : 20100902
<ACCEPTANCE-DATETIME>20100902160829
ACCESSION NUMBER:		0001179110-10-013435
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100901
FILED AS OF DATE:		20100902
DATE AS OF CHANGE:		20100902

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Dietz Thomas Joseph
		CENTRAL INDEX KEY:			0001367369

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-04063
		FILM NUMBER:		101055116

	MAIL ADDRESS:	
		STREET 1:		583 EDEN CIRCLE
		CITY:			EAGAN
		STATE:			MN
		ZIP:			55123

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			G&K SERVICES INC
		CENTRAL INDEX KEY:			0000039648
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PERSONAL SERVICES [7200]
		IRS NUMBER:				410449530
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0626

	BUSINESS ADDRESS:	
		STREET 1:		5995 OPUS PARKWAY
		STREET 2:		SUITE 500
		CITY:			MINNETONKA
		STATE:			MN
		ZIP:			55343
		BUSINESS PHONE:		6129125500

	MAIL ADDRESS:	
		STREET 1:		5995 OPUS PARKWAY
		STREET 2:		SUITE 500
		CITY:			MINNETONKA
		STATE:			MN
		ZIP:			55343

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NORTHWEST LINEN CO
		DATE OF NAME CHANGE:	19681227
</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>2010-09-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000039648</issuerCik>
        <issuerName>G&amp;K SERVICES INC</issuerName>
        <issuerTradingSymbol>GKSR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001367369</rptOwnerCik>
            <rptOwnerName>Dietz Thomas Joseph</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5995 OPUS PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MINNETONKA</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55343</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President and Controller</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-09-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>95</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12289</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On September 1, 2010, an aggregate of 290 restricted shares previously issued to Mr. Dietz vested in accordance with their terms and the terms of the plan under which such shares were issued. Mr. Dietz elected to withhold an aggregate of 95 shares to pay the related taxes. As such, the number of shares actually issued was 195.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jeffrey L. Cotter, Attorney-in-Fact</signatureName>
        <signatureDate>2010-09-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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