<SUBMISSION>
<ACCESSION-NUMBER>0001179110-03-005241
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030806
<FILING-DATE>20030808
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>SEN SUPRIYO
<CIK>0001244262
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-28284
<FILM-NUMBER>03832744
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>96 MOWAT AVENUE
<CITY>TORONTO ONTARIO
<STATE>A6
<ZIP>M6K 3M1
<PHONE>4165385488
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>TUCOWS INC /PA/
<CIK>0000909494
<ASSIGNED-SIC>7374
<IRS-NUMBER>232707366
<STATE-OF-INCORPORATION>PA
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>96 MOWAT AVENUE
<CITY>TORONTO
<STATE>A6
<ZIP>M6K 3M1
<PHONE>4165350123
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>96 MOWAT AVENUE
<CITY>TORONTO
<STATE>A6
<ZIP>M6K 3M1
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>INFONAUTICS INC
<DATE-CHANGED>19960426
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>INFONAUTICS CORP
<DATE-CHANGED>19960315
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-08-06</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000909494</issuerCik>
        <issuerName>TUCOWS INC /PA/</issuerName>
        <issuerTradingSymbol>tcow</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001244262</rptOwnerCik>
            <rptOwnerName>SEN SUPRIYO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>96 MOWAT AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M6K 3M1</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>CTO, Tucows</officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable></nonDerivativeTable>
<derivativeTable><derivativeTransaction><securityTitle><value>Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>0.37</value>
</conversionOrExercisePrice>
<transactionDate><value>2003-08-06</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>400540</value>
</transactionShares>
<transactionPricePerShare><value>0.00</value>
<footnoteId id="F3"></footnoteId>
</transactionPricePerShare>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>1988-08-08</value>
<footnoteId id="F1"></footnoteId>
</exerciseDate>
<expirationDate><value>2013-08-06</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>400540</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>400540</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeTransaction>
<derivativeTransaction><securityTitle><value>Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>0.37</value>
</conversionOrExercisePrice>
<transactionDate><value>2003-08-06</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>76500</value>
</transactionShares>
<transactionPricePerShare><value>0.00</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>1988-08-08</value>
<footnoteId id="F2"></footnoteId>
</exerciseDate>
<expirationDate><value>2013-08-06</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>76500</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>76500</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeTransaction>
</derivativeTable>
<footnotes><footnote id="F1">260,351 of the options granted were vested as of August 6, 2003 and the remainder vested or will vest on a monthly basis up to and including February 5, 2005.</footnote>
<footnote id="F2">25% of the options granted will vest on August 5, 2004 and the remainder will vest on a monthly basis for the three years thereafter.</footnote>
<footnote id="F3">On February 5 2003, the issuer cancelled, pursuant to the issuer's option exchange program, an option granted to the reporting person on February 6, 2001 for 400,540 shares at $0.91 per share.  In exchange, the reporting person received the options reported herein.</footnote>
</footnotes>
<ownerSignature><signatureName>/s/  Supriyo Sen</signatureName>
<signatureDate>2003-08-08</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
