    <SEC-DOCUMENT>0000891092-19-007155-index.html : 20190628
    <SEC-HEADER>0000891092-19-007155.hdr.sgml : 20190628
    <ACCEPTANCE-DATETIME>20190628091829
    ACCESSION NUMBER:		0000891092-19-007155
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20190430
    FILED AS OF DATE:		20190628
    DATE AS OF CHANGE:		20190628
    EFFECTIVENESS DATE:		20190628

    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-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-04915
    		FILM NUMBER:		19927509

    	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-CSRS
    <SEQUENCE>1
    <FILENAME>e5216ncsr.htm
    <DESCRIPTION>FORM N-CSR
    <TEXT>
    Document 1 - file: e5216ncsr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.302
    <SEQUENCE>2
    <FILENAME>e5216ex99-302.htm
    <DESCRIPTION>CERTIFICATIONS
    <TEXT>
    Document 2 - file: e5216ex99-302.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906
    <SEQUENCE>3
    <FILENAME>e5216ex99-906.htm
    <DESCRIPTION>CERTIFICATIONS
    <TEXT>
    Document 3 - file: e5216ex99-906.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.C
    <SEQUENCE>4
    <FILENAME>e5216ex99c.htm
    <DESCRIPTION>REGISTRANTS NOTICES
    <TEXT>
    Document 4 - file: e5216ex99c.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: image_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>image_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: image_002.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>