<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2004-01-21</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000841692</issuerCik><issuerName>FSI INTERNATIONAL INC</issuerName>        <issuerTradingSymbol>FSII</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001171663</rptOwnerCik><rptOwnerName>GLARNER TERRENCE</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>160 MONTROSE PLACE</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>ST. PAUL</rptOwnerCity><rptOwnerState>MN</rptOwnerState><rptOwnerZipCode>55104</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>8.05</value></conversionOrExercisePrice><transactionDate><value>2004-01-21</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>7500</value></transactionShares><transactionPricePerShare><value>8.05</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2005-01-21</value></exerciseDate><expirationDate><value>2014-01-21</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>7500</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>7500</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><ownerSignature><signatureName>/s/ Patricia M. Hollister, Chief Financial Officer, as Power of Attorney for Terrence W. Glarner</signatureName><signatureDate>2004-01-22</signatureDate></ownerSignature></ownershipDocument>

