    <SEC-DOCUMENT>0001379785-17-000022-index.html : 20170227
    <SEC-HEADER>0001379785-17-000022.hdr.sgml : 20170227
    <ACCEPTANCE-DATETIME>20170227160318
    ACCESSION NUMBER:		0001379785-17-000022
    CONFORMED SUBMISSION TYPE:	497
    PUBLIC DOCUMENT COUNT:		5
    FILED AS OF DATE:		20170227
    DATE AS OF CHANGE:		20170227
    EFFECTIVENESS DATE:		20170227

    FILER:

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

    	FILING VALUES:
    		FORM TYPE:		497
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-199102
    		FILM NUMBER:		17641622

    	BUSINESS ADDRESS:
    		STREET 1:		3700 GLENWOOD AVENUE
    		STREET 2:		SUITE 530
    		CITY:			RALEIGH
    		STATE:			NC
    		ZIP:			27612
    		BUSINESS PHONE:		9197194770

    	MAIL ADDRESS:
    		STREET 1:		3700 GLENWOOD AVENUE
    		STREET 2:		SUITE 530
    		CITY:			RALEIGH
    		STATE:			NC
    		ZIP:			27612
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>497
    <SEQUENCE>1
    <FILENAME>a2017feb497prelim.htm
    <DESCRIPTION>497
    <TEXT>
    Document 1 - file: a2017feb497prelim.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>image0a04a01a01a01a01a02a07.jpg
    <TEXT>
    Document 2 - file: image0a04a01a01a01a01a02a07.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>tcap10yearlogoa08.jpg
    <TEXT>
    Document 3 - file: tcap10yearlogoa08.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>tcap10yearlogoa09.jpg
    <TEXT>
    Document 4 - file: tcap10yearlogoa09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>tcaplogocrka03a07.jpg
    <TEXT>
    Document 5 - file: tcaplogocrka03a07.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>