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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 U+M3wM+rK1WXqh9Wju+KzRe99Nr7NsoPVQI2C3V6lp4sngk2FnX3MfAMYiCDH/Qa
 nZHQM2s+hlrQuDYC3ms1WQ==

<SEC-DOCUMENT>0001209191-09-008213.txt : 20090211
<SEC-HEADER>0001209191-09-008213.hdr.sgml : 20090211
<ACCEPTANCE-DATETIME>20090211170352
ACCESSION NUMBER:		0001209191-09-008213
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081231
FILED AS OF DATE:		20090211
DATE AS OF CHANGE:		20090211

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Dunwoody W McComb
		CENTRAL INDEX KEY:			0001389490

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33130
		FILM NUMBER:		09590510

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(919) 719-4770

	MAIL ADDRESS:	
		STREET 1:		3600 GLENWOOD AVENUE
		STREET 2:		SUITE 104
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27612

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Triangle Capital CORP
		CENTRAL INDEX KEY:			0001379785
		IRS NUMBER:				061798488
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3600 GLENWOOD AVENUE
		STREET 2:		SUITE 104
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27612
		BUSINESS PHONE:		9197194770

	MAIL ADDRESS:	
		STREET 1:		3600 GLENWOOD AVENUE
		STREET 2:		SUITE 104
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27612
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>doc5.xml
<DESCRIPTION>FORM 5 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2008-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0001379785</issuerCik>
        <issuerName>Triangle Capital CORP</issuerName>
        <issuerTradingSymbol>TCAP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001389490</rptOwnerCik>
            <rptOwnerName>Dunwoody W McComb</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3700 GLENWOOD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 530</rptOwnerStreet2>
            <rptOwnerCity>RALEIGH</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27612</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionCoding>
                <transactionFormType></transactionFormType>
            </transactionCoding>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>154028</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes shares of common stock received by reporting person in 2008 pursuant to Triangle Capital Corporation's Dividend Reinvestment Plan</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Robert C. Humphreys, Attorney-in-Fact for W. McComb Dunwoody</signatureName>
        <signatureDate>2009-02-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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