<SUBMISSION>
<ACCESSION-NUMBER>0001179110-07-014350
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20070629
<FILING-DATE>20070703
<DATE-OF-FILING-DATE-CHANGE>20070703
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>DEVCON INTERNATIONAL CORP
<CIK>0000028452
<ASSIGNED-SIC>3270
<IRS-NUMBER>590671992
<STATE-OF-INCORPORATION>FL
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>595 SOUTH FEDERAL HIGHWAY
<STREET2>SUITE 500
<CITY>BOCA RATON
<STATE>FL
<ZIP>33432
<PHONE>5612087207
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>595 SOUTH FEDERAL HIGHWAY
<STREET2>SUITE 500
<CITY>BOCA RATON
<STATE>FL
<ZIP>33432
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>LOOF PER OLOF
<CIK>0001278214
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-07152
<FILM-NUMBER>07960309
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>9549468369
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1091 HILLSBORO MILE
<CITY>HILLSBORO BEACH
<STATE>FL
<ZIP>33062
</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>2007-06-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000028452</issuerCik>
        <issuerName>DEVCON INTERNATIONAL CORP</issuerName>
        <issuerTradingSymbol>DEVC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001278214</rptOwnerCik>
            <rptOwnerName>LOOF PER OLOF</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>KEMET CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>2835 KEMET WAY</rptOwnerStreet2>
            <rptOwnerCity>SIMPSONVILLE</rptOwnerCity>
            <rptOwnerState>SC</rptOwnerState>
            <rptOwnerZipCode>29681</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-06-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Per-Olof Loof</signatureName>
        <signatureDate>2007-07-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
