<SUBMISSION>
<ACCESSION-NUMBER>0001159050-07-000003
<TYPE>3
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20060306
<FILING-DATE>20070319
<DATE-OF-FILING-DATE-CHANGE>20070319
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>RENAISSANCE CAPITAL GROWTH & INCOME FUND III INC
<CIK>0000919567
<IRS-NUMBER>752533518
<STATE-OF-INCORPORATION>TX
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>8080 N CENTRAL EXPRWY
<STREET2>STE 210 LB59
<CITY>DALLAS
<STATE>TX
<ZIP>75206
<PHONE>2148918294
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>8080 N CENTRAL EXPWY., SUITE 210 LB 59
<CITY>DALLAS
<STATE>TX
<ZIP>75206
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>MCCORMICK J PHILIP
<CIK>0001242097
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>3
<ACT>34
<FILE-NUMBER>033-75758
<FILM-NUMBER>07702158
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>6501 WINDCREST DRIVE
<STREET2>SUITE 100
<CITY>PLANO
<STATE>TX
<ZIP>75024
<PHONE>9723098118
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-03-06</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000919567</issuerCik>
        <issuerName>RENAISSANCE CAPITAL GROWTH &amp; INCOME FUND III INC</issuerName>
        <issuerTradingSymbol>RENN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001242097</rptOwnerCik>
            <rptOwnerName>MCCORMICK J PHILIP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>J. Philip McCormick</signatureName>
        <signatureDate>2007-03-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
