<SUBMISSION>
<ACCESSION-NUMBER>0001181431-06-033545
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20060525
<FILING-DATE>20060530
<DATE-OF-FILING-DATE-CHANGE>20060530
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>MASTERCARD INC
<CIK>0001141391
<ASSIGNED-SIC>7389
<IRS-NUMBER>134172551
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>2000 PURCHASE STREET
<CITY>PURCHASE
<STATE>NY
<ZIP>10577
<PHONE>9142492000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>2000 PURCHASE STREET
<CITY>PURCHASE
<STATE>NY
<ZIP>10577
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Thom Christopher Dugdale
<CIK>0001362562
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-50250
<FILM-NUMBER>06872718
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>914 249 5313
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>MASTERCARD INTERNATIONAL
<STREET2>2000 PURCHASE STREET
<CITY>PURCHASE
<STATE>NY
<ZIP>10577-2509
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd119345.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-05-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001141391</issuerCik>
        <issuerName>MASTERCARD INC</issuerName>
        <issuerTradingSymbol>MA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001362562</rptOwnerCik>
            <rptOwnerName>Thom Christopher Dugdale</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2000 PURCHASE STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PURCHASE</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>105772509</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Risk Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-05-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>125693</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>125693</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Award of restricted stock units</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Ron Llewellyn as attorney in fact for Chris Thom</signatureName>
        <signatureDate>2006-05-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.
<SEQUENCE>2
<FILENAME>rrd104306_117102.htm
<DESCRIPTION>POWER OF ATTORNEY FOR CHRIS THOM
<TEXT>
<HTML>
<HEAD>
<TITLE>
rrd104306_117102.html
</TITLE>
</HEAD>
<BODY>
<PRE>
Power of Attorney<p>Know all by these presents, that the undersigned hereby constitutes and<br>appoints each of Noah J. Hanft and Ron Llewellyn,signing singly<br>, the undersigned's true and lawful attorney-in-fact to:<br>1. execute for and on behalf of the undersigned, in the undersigned's <br>capacity as an officer and/or director of MasterCard Incorporated (the <br>"Company"), Forms 3, 4 and 5 in accordance with Section 16(a) of the <br>Securities Exchange Act of 1934 and the rules thereunder and a Form ID<br>application  for access codes to file on EDGAR;<br>2. do and perform any and all acts for and on behalf of the undersigned<br>which may be necessary or desirable to complete and execute any such <br>Form 3, 4, or 5 or Form ID, complete and execute any amendment or <br>amendments thereto, and timely file such form with the United States<br>Securities and Exchange Commission and any stock exchange or similar<br>authority; and <br>3. take any other action of any type whatsoever in connection with the <br>foregoing which, in the opinion of such attorney-in-fact may be of <br>benefit to, in the best interest of, or legally required by, the <br>undersigned, it being understood that the documents executed by such<br>attorney-in-fact on behalf of the undersigned pursuant to this Power<br>of Attorney shall be in such form and shall contain such terms and <br>conditions as such attorney-in-fact may approve in such attorney-in-<br>fact's discretion.<br>The undersigned hereby grants to each such attorney-in-fact full power<br>and authority to do and perform any and every act and thing whatsoever<br>requisite, necessary, or proper to be done in the exercise of any of<br>the rights and powers herein granted, as fully to all intents and <br>purposes as the undersigned might or could do if personally present,<br>with full power of substitution or revocation, hereby ratifying and<br>confirming all that such attorney-in-fact, or such attorney-in-<br>fact's substitute or substitutes, shall lawfully do or cause to be<br>done by virtue of this power of attorney and the rights and powers <br>herein granted.  The undersigned acknowledges that the foregoing <br>attorneys-in-fact, in serving in such capacity at the request of <br>the undersigned, are not assuming, nor is the Company assuming, <br>any of the undersigned's responsibilities to comply with Section <br>16 of the Securities Exchange Act of 1934 or the rules thereunder.<br>This Power of Attorney shall remain in full force and effect until <br>the undersigned, after becoming subject to the requirements to file <br>Forms 3, 4 and 5 with respect to the undersigned's holdings of and <br>transactions in securities issued by the Company, ceases to be  <br>subject to those requirements, unless earlier revoked by the <br>undersigned in a signed writing delivered to the foregoing attorneys<br>-in-fact.<br>In witness whereof, the undersigned has caused this Power of <br>Attorney to be executed as of this 20th day of April, 2006.<p>ss/Christopher D. Thom
</PRE>
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</SUBMISSION>
