<SUBMISSION>
<ACCESSION-NUMBER>0001179110-07-007746
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20070409
<FILING-DATE>20070411
<DATE-OF-FILING-DATE-CHANGE>20070411
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ASHWORTH INC
<CIK>0000820774
<ASSIGNED-SIC>2320
<IRS-NUMBER>841052000
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1031
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>2765 LOKER AVE WEST
<CITY>CARLSBAD
<STATE>CA
<ZIP>92008
<PHONE>7604386610
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>2765 LOKER AVENUE WEST
<CITY>CARLSBAD
<STATE>CA
<ZIP>92008
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>CHARTER GOLF INC
<DATE-CHANGED>19920703
</FORMER-COMPANY>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Black Brian C
<CIK>0001378235
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-14547
<FILM-NUMBER>07762071
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>312-915-2806
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>900 NORTH MICHIGAN AVENUE
<STREET2>SUITE 1900
<CITY>CHICAGO
<STATE>IL
<ZIP>60611
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Black Sheep Partners LLC
<CIK>0001378236
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-14547
<FILM-NUMBER>07762072
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>900 NORTH MICHIGAN AVENUE
<STREET2>SUITE 1900
<CITY>CHICAGO
<STATE>IL
<ZIP>60611
<PHONE>312-915-2806
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>900 NORTH MICHIGAN AVENUE
<STREET2>SUITE 1900
<CITY>CHICAGO
<STATE>IL
<ZIP>60611
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Black Sheep Partners II LLC
<CIK>0001378238
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-14547
<FILM-NUMBER>07762073
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>900 NORTH MICHIGAN AVENUE, SUITE 1900
<CITY>CHICAGO
<STATE>IL
<ZIP>60611
<PHONE>312-915-2806
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>900 NORTH MICHIGAN AVENUE, SUITE 1900
<CITY>CHICAGO
<STATE>IL
<ZIP>60611
</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>2007-04-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000820774</issuerCik>
        <issuerName>ASHWORTH INC</issuerName>
        <issuerTradingSymbol>ASHW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001378236</rptOwnerCik>
            <rptOwnerName>Black Sheep Partners LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>900 NORTH MICHIGAN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1900</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60611</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Member of 13D Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001378238</rptOwnerCik>
            <rptOwnerName>Black Sheep Partners II LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>900 NORTH MICHIGAN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1900</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60611</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Member of 13D Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001378235</rptOwnerCik>
            <rptOwnerName>Black Brian C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>900 NORTH MICHIGAN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1900</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60611</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Member of 13D Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.01 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2007-04-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>42000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>103678</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Persons are members of the Knightspoint Group, which consists of Knightspoint Partners II, L.P. (&quot;Knightspoint&quot;), Michael Koeneke, David Meyer, Knightspoint Partners LLC, Peter A. Cohen, Morgan B. Stark, Thomas W. Strauss, Jeffrey M. Solomon, Ramius Capital Group, L.L.C. (&quot;Ramius&quot;), Knightspoint Capital Management II LLC, Parche, LLC (&quot;Parche&quot;), Admiral Advisors, LLC (&quot;Admiral&quot;), Starboard Value and Opporutnity Master Fund Ltd. (&quot;Starboard&quot;), C4S &amp; Co., L.L.C. (&quot;C4S&quot;), Black Sheep Partners, LLC, Black Sheep Partners II, LLC and Brian Black.</footnote>
        <footnote id="F2">As the investment manager of Starboard and the managing member of Parche, Admiral may be deemed to beneficially own the shares of Common Stock beneficially owned by Starboard and Parche. As the sole member of Admiral, Ramius may be deemed to beneficially own the shares of Common Stock beneficially owned by Starboard and Parche. As the managing member of Ramius, C4S may be deemed to beneficially own shares of Common Stock beneficially owned by Starboard and Parche.</footnote>
        <footnote id="F3">As the managing members of C4S, each of Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss may be deemed to beneficially own the shares of Common Stock beneficially owned by Starboard and Parche. Each of Messrs. Cohen, Stark, Solomon and Strauss disclaims beneficial ownership of such shares of Common Stock.</footnote>
        <footnote id="F4">Black Sheep Partners, LLC and Black Sheep Partners II, LLC directly own 63,940 shares and 39,738 shares of Common Stock, respectively. As the managing director of Black Sheep Partners, LLC and Black Sheep Partners II, LLC, Mr. Black may be deemed to beneficially own the shares of Common Stock beneficially owned by Black Sheep Partners, LLC and Black Sheep Partners II, LLC.</footnote>
        <footnote id="F5">For services provided in connection with their investment in Ashworth, Inc., Knightspoint Partners LLC receives an amount equal to 11% of the profits realized by Parche and Starboard on their investment in Ashworth, Inc. Knightspoint Partners also receives an amount equal to 15% of the profits realized by Blacksheep Partners I, LLC and Black Sheep Partners II, LLC on their investment in Ashworth, Inc. &quot;Profits&quot; are defined as pre-tax capital gains (losses) plus dividends less applicable broker fees and allocated Transaction Expenses. &quot;Transaction Expenses&quot; are defined as any direct expenses incurred by the group in connection with the investment including documented legal, travel and other &quot;out of pocket&quot; expenses.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Brian C. Black for Black Sheep Partners, LLC</signatureName>
        <signatureDate>2007-04-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Brian C. Black for Black Sheep Partners II, LLC</signatureName>
        <signatureDate>2007-04-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Brian C. Black</signatureName>
        <signatureDate>2007-04-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
