<SUBMISSION>
<ACCESSION-NUMBER>0001179110-05-007678
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20050411
<FILING-DATE>20050413
<DATE-OF-FILING-DATE-CHANGE>20050413
<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>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>JVS Mediterranean Trading Ltd.
<CIK>0001315119
<STATE-OF-INCORPORATION>G4
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-28284
<FILM-NUMBER>05747951
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>P.O. BOX 25474
<CITY>NICOSIA
<STATE>G4
<ZIP>1310
<PHONE>35722444500
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>P.O. BOX 25474
<CITY>NICOSIA
<STATE>G4
<ZIP>1310
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-04-11</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000909494</issuerCik>
        <issuerName>TUCOWS INC /PA/</issuerName>
        <issuerTradingSymbol>TCOW.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001315119</rptOwnerCik>
            <rptOwnerName>JVS Mediterranean Trading Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 25474</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NICOSIA</rptOwnerCity>
            <rptOwnerState>G4</rptOwnerState>
            <rptOwnerZipCode>1310</rptOwnerZipCode>
            <rptOwnerStateDescription>CYPRUS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-04-11</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2005-04-12</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7405620</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/  Katerina Koliandri</signatureName>
        <signatureDate>2005-04-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
