    <SEC-DOCUMENT>0001193125-18-097484-index.html : 20180801
    <SEC-HEADER>0001193125-18-097484.hdr.sgml : 20180801

    <ACCEPTANCE-DATETIME>20180327143634

    <PRIVATE-TO-PUBLIC>

    ACCESSION NUMBER:		0001193125-18-097484

    CONFORMED SUBMISSION TYPE:	N-2

    PUBLIC DOCUMENT COUNT:		13

    FILED AS OF DATE:		20180327

    DATE AS OF CHANGE:		20180606

    FILER:

    	COMPANY DATA:

    		COMPANY CONFORMED NAME:			DNP SELECT INCOME FUND INC

    		CENTRAL INDEX KEY:			0000806628

    		IRS NUMBER:				363480989

    		STATE OF INCORPORATION:			MD

    		FISCAL YEAR END:			1231

    	FILING VALUES:

    		FORM TYPE:		N-2

    		SEC ACT:		1933 Act

    		SEC FILE NUMBER:	333-223945

    		FILM NUMBER:		18715061

    	BUSINESS ADDRESS:

    		STREET 1:		PO BOX 32760

    		CITY:			LOUISVILLE

    		STATE:			KY

    		ZIP:			40232

    		BUSINESS PHONE:		3123685510

    	MAIL ADDRESS:

    		STREET 1:		PO BOX 32760

    		CITY:			LOUISVILLE

    		STATE:			KY

    		ZIP:			40232

    	FORMER COMPANY:

    		FORMER CONFORMED NAME:	DUFF & PHELPS SELECTED UTILITIES INC

    		DATE OF NAME CHANGE:	19910429

    FILER:

    	COMPANY DATA:

    		COMPANY CONFORMED NAME:			DNP SELECT INCOME FUND INC

    		CENTRAL INDEX KEY:			0000806628

    		IRS NUMBER:				363480989

    		STATE OF INCORPORATION:			MD

    		FISCAL YEAR END:			1231

    	FILING VALUES:

    		FORM TYPE:		N-2

    		SEC ACT:		1940 Act

    		SEC FILE NUMBER:	811-04915

    		FILM NUMBER:		18715062

    	BUSINESS ADDRESS:

    		STREET 1:		PO BOX 32760

    		CITY:			LOUISVILLE

    		STATE:			KY

    		ZIP:			40232

    		BUSINESS PHONE:		3123685510

    	MAIL ADDRESS:

    		STREET 1:		PO BOX 32760

    		CITY:			LOUISVILLE

    		STATE:			KY

    		ZIP:			40232

    	FORMER COMPANY:

    		FORMER CONFORMED NAME:	DUFF & PHELPS SELECTED UTILITIES INC

    		DATE OF NAME CHANGE:	19910429

    </SEC-HEADER>

    <DOCUMENT>
    <TYPE>N-2
    <SEQUENCE>1
    <FILENAME>d511958dn2.htm
    <DESCRIPTION>DNP SELECT INCOME FUND INC.
    <TEXT>
    Document 1 - file: d511958dn2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.A.7
    <SEQUENCE>2
    <FILENAME>d511958dex99a7.htm
    <DESCRIPTION>ARTICLES SUPPLEMENTARY CREATING SERIES A, SERIES B AND SERIES C
    <TEXT>
    Document 2 - file: d511958dex99a7.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.A.8
    <SEQUENCE>3
    <FILENAME>d511958dex99a8.htm
    <DESCRIPTION>ARTICLES SUPPLEMENTARY CREATING SERIES D
    <TEXT>
    Document 3 - file: d511958dex99a8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.B
    <SEQUENCE>4
    <FILENAME>d511958dex99b.htm
    <DESCRIPTION>BYLAWS
    <TEXT>
    Document 4 - file: d511958dex99b.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.D.8
    <SEQUENCE>5
    <FILENAME>d511958dex99d8.htm
    <DESCRIPTION>FORM OF CERTIFICATE OF MANDATORY REDEEMABLE PREFERRED STOCK, SERIES [A/B/C/D]
    <TEXT>
    Document 5 - file: d511958dex99d8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.D.9
    <SEQUENCE>6
    <FILENAME>d511958dex99d9.htm
    <DESCRIPTION>FORM OF 2.76% SERIES A SENIOR SECURED NOTES DUE JUNE 30, 2023
    <TEXT>
    Document 6 - file: d511958dex99d9.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.D.10
    <SEQUENCE>7
    <FILENAME>d511958dex99d10.htm
    <DESCRIPTION>FORM OF 3.00% SERIES B SENIOR SECURED NOTES DUE JUNE 30, 2026
    <TEXT>
    Document 7 - file: d511958dex99d10.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.R.1
    <SEQUENCE>8
    <FILENAME>d511958dex99r1.htm
    <DESCRIPTION>AMENDED AND RESTATED CODE OF ETHICS OF REGISTRANT
    <TEXT>
    Document 8 - file: d511958dex99r1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.R.2
    <SEQUENCE>9
    <FILENAME>d511958dex99r2.htm
    <DESCRIPTION>AMENDED AND RESTATED CODE OF ETHICS OF DUFF & PHELPS INVESTMENT MANAGEMENT CO.
    <TEXT>
    Document 9 - file: d511958dex99r2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.S
    <SEQUENCE>10
    <FILENAME>d511958dex99s.htm
    <DESCRIPTION>POWERS OF ATTORNEY
    <TEXT>
    Document 10 - file: d511958dex99s.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g511958img1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g511958img1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g511958img2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g511958img2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>COVER
    <SEQUENCE>14
    <FILENAME>filename14.htm
    <TEXT>
    Document 14 - file: filename14.htm

    </DOCUMENT>
    </SEC-DOCUMENT>