<SUBMISSION>
<ACCESSION-NUMBER>0001209191-09-031034
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20090603
<FILING-DATE>20090605
<DATE-OF-FILING-DATE-CHANGE>20090605
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ARGYLE SECURITY, INC.
<CIK>0001332585
<ASSIGNED-SIC>7381
<IRS-NUMBER>203101079
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>200 CONCORD PLAZA
<STREET2>SUITE 700
<CITY>SAN ANTONIO
<STATE>TX
<ZIP>78216
<PHONE>210-828-1700
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>200 CONCORD PLAZA
<STREET2>SUITE 700
<CITY>SAN ANTONIO
<STATE>TX
<ZIP>78216
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>Argyle Security Acquisition CORP
<DATE-CHANGED>20050708
</FORMER-COMPANY>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>MEZZANINE MANAGEMENT FUND IV COINVEST A L.P.
<CIK>0001434285
<STATE-OF-INCORPORATION>X0
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-51639
<FILM-NUMBER>09878326
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>CENTURY HOUSE, 16 PAR LA VILLE ROAD
<CITY>HAMILTON
<STATE>D0
<ZIP>HM 08
<PHONE>203.323.9118
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O MEZZANINE MANAGEMENT, LLC
<STREET2>333 LUDLOW STREET, 2ND FL, NORTH TOWER
<CITY>STAMFORD
<STATE>CT
<ZIP>06902
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>MEZZANINE MANAGEMENT FUND IV A
<CIK>0001367487
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-51639
<FILM-NUMBER>09878325
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>CENTURY HOUSE 16 PAR LA VILLE RD
<CITY>HAMILTON BERMUDA
<STATE>D0
<ZIP>00000
<PHONE>441-296-8099
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>CENTURY HOUSE 16 PAR LA VILLE RD
<CITY>HAMILTON BERMUDA
<STATE>D0
<ZIP>00000
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>MEZZANINE MANAGEMENT LTD
<CIK>0001434284
<STATE-OF-INCORPORATION>D0
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-51639
<FILM-NUMBER>09878327
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>CENTURY HOUSE, 16 PAR LA VILLE ROAD
<CITY>HAMILTON
<STATE>D0
<ZIP>HM 08
<PHONE>203.323.9118
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O MEZZANINE MANAGEMENT, LLC
<STREET2>333 LUDLOW STREET, 2ND FL, NORTH TOWER
<CITY>STAMFORD
<STATE>CT
<ZIP>06902
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c86558_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-06-03</periodOfReport>

    <issuer>
        <issuerCik>0001332585</issuerCik>
        <issuerName>ARGYLE SECURITY, INC.</issuerName>
        <issuerTradingSymbol>ARGL.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001434284</rptOwnerCik>
            <rptOwnerName>MEZZANINE MANAGEMENT LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CENTURY HOUSE, 16 PAR LA VILLE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HAMILTON</rptOwnerCity>
            <rptOwnerState>D0</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>BERMUDA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001434285</rptOwnerCik>
            <rptOwnerName>MEZZANINE MANAGEMENT FUND IV COINVEST A L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CENTURY HOUSE, 16 PAR LA VILLE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HAMILTON</rptOwnerCity>
            <rptOwnerState>D0</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>BERMUDA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001367487</rptOwnerCik>
            <rptOwnerName>MEZZANINE MANAGEMENT FUND IV A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CENTURY HOUSE, 16 PAR LA VILLE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HAMILTON</rptOwnerCity>
            <rptOwnerState>D0</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>BERMUDA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>151000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.9877</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5161800</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.9988</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5181800</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>86500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5268300</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects the weighted average price of 151,000 shares of common stock of the Issuer purchased by the reporting persons in multiple transactions on June 3, 2009 with the purchase price ranging from $0.94 to $1.00 per share. The reporting persons undertake to provide upon request by the Staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price.</footnote>
        <footnote id="F2">Includes (i) 1,875,000 shares of common stock, subject to adjustment for certain anti-dilution protection, issuable upon conversion of Series A Preferred Stock and (ii) 2,727,300 shares of common stock, subject to adjustment for certain anti-dilution protection, issuable upon conversion of Series B Preferred Stock.  The shares of common stock are beneficially owned by the reporting persons through a &quot;group&quot; for purposes of Section 13D of the Exchange Act.  The group is composed of the following entities and individuals: Mezzanine Management Fund IV A, L.P. (&quot;Fund IV&quot;), Mezzanine Management Fund IV Coinvest A, L.P. (&quot;Coinvest&quot;), and Mezzanine Management Limited (&quot;Mezzanine&quot;).  Fund IV shares voting and dispositive power over 5,092,100 of the shares.  Coinvest A shares voting and dispositive power over 69,700 of the shares.  Mezzanine has voting and dispositive power over all 5,161,800 shares.</footnote>
        <footnote id="F3">Reflects the weighted average price of 20,000 shares of common stock of the Issuer purchased by the reporting persons in multiple transactions on June 4, 2009 with the purchase price ranging from $0.95 to $1.00 per share. The reporting persons undertake to provide upon request by the Staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price.</footnote>
        <footnote id="F4">Includes (i) 1,875,000 shares of common stock, subject to adjustment for certain anti-dilution protection, issuable upon conversion of Series A Preferred Stock and (ii) 2,727,300 shares of common stock, subject to adjustment for certain anti-dilution protection, issuable upon conversion of Series B Preferred Stock.  The shares of common stock are beneficially owned by the reporting persons through a &quot;group&quot; for purposes of Section 13D of the Exchange Act.  The group is composed of the following entities and individuals: Fund IV, Coinvest, and Mezzanine.  Fund IV shares voting and dispositive power over 5,112,100 of the shares.  Coinvest A shares voting and dispositive power over 69,700 of the shares.  Mezzanine has voting and dispositive power over all 5,181,800 shares.</footnote>
        <footnote id="F5">Includes (i) 1,875,000 shares of common stock, subject to adjustment for certain anti-dilution protection, issuable upon conversion of Series A Preferred Stock and (ii) 2,727,300 shares of common stock, subject to adjustment for certain anti-dilution protection, issuable upon conversion of Series B Preferred Stock.  The shares of common stock are beneficially owned by the reporting persons through a &quot;group&quot; for purposes of Section 13D of the Exchange Act.  The group is composed of the following entities and individuals: Fund IV, Coinvest, and Mezzanine.  Fund IV shares voting and dispositive power over 5,198,600 of the shares.  Coinvest A shares voting and dispositive power over 69,700 of the shares.  Mezzanine has voting and dispositive power over all 5,268,300 shares.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Christoper C. Morris</signatureName>
        <signatureDate>2009-06-05</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Christoper C. Morris</signatureName>
        <signatureDate>2009-06-05</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Christoper C. Morris</signatureName>
        <signatureDate>2009-06-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
