<SEC-DOCUMENT>0001193125-25-330953-index.html : 20251223
<SEC-HEADER>0001193125-25-330953.hdr.sgml : 20251223
<ACCEPTANCE-DATETIME>20251223161559
ACCESSION NUMBER:		0001193125-25-330953
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		15
CONFORMED PERIOD OF REPORT:	20251031
FILED AS OF DATE:		20251223
DATE AS OF CHANGE:		20251223
EFFECTIVENESS DATE:		20251223

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Duff & Phelps Utility & Infrastructure Fund Inc.
		CENTRAL INDEX KEY:			0001515671
		ORGANIZATION NAME:           	
		EIN:				452261437
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-22533
		FILM NUMBER:		251600779

	BUSINESS ADDRESS:	
		STREET 1:		10 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		(866) 270-7598

	MAIL ADDRESS:	
		STREET 1:		10 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Duff & Phelps Global Utility Income Fund Inc.
		DATE OF NAME CHANGE:	20110627

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Duff & Phelps Global Utility & Midstream Energy Income Fund Inc.
		DATE OF NAME CHANGE:	20110316
</SEC-HEADER>
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<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>d79889dncsr.htm
<DESCRIPTION>N-CSR
<TEXT>
Document 1 - file: d79889dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(1)
<SEQUENCE>2
<FILENAME>d79889dex99a1.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: d79889dex99a1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(3)
<SEQUENCE>3
<FILENAME>d79889dex99a3.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
<TEXT>
Document 3 - file: d79889dex99a3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(5)
<SEQUENCE>4
<FILENAME>d79889dex99a5.htm
<DESCRIPTION>INDEPENDENT PUBLIC ACCOUNTING FIRM CHANGE
<TEXT>
Document 4 - file: d79889dex99a5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(B)
<SEQUENCE>5
<FILENAME>d79889dex99b.htm
<DESCRIPTION>EX-99.(B)
<TEXT>
Document 5 - file: d79889dex99b.htm

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<DOCUMENT>
<TYPE>EX-99.(C)
<SEQUENCE>6
<FILENAME>d79889dex99c.htm
<DESCRIPTION>REGISTRANTS NOTICES
<TEXT>
Document 6 - file: d79889dex99c.htm

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<SEQUENCE>7
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<DESCRIPTION>GRAPHIC
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Document 7 - file: g79889img2bc81d324.gif

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Document 8 - file: g79889img5449628f5.gif

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Document 9 - file: g79889img5d7beb982.gif

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Document 10 - file: g79889img7627945c3.gif

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Document 11 - file: g79889imgcdf4b0576.jpg

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<TEXT>
Document 12 - file: g79889imgea3559b81.gif

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<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g79889page31.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g79889page31.jpg

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<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g79889page31b.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g79889page31b.jpg

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<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g79889page31c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g79889page31c.jpg

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