<SEC-DOCUMENT>0001683863-20-000856-index.html : 20200325
<SEC-HEADER>0001683863-20-000856.hdr.sgml : 20200325
<ACCEPTANCE-DATETIME>20200325171247
ACCESSION NUMBER:		0001683863-20-000856
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20200325
DATE AS OF CHANGE:		20200325
EFFECTIVENESS DATE:		20200325

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			iShares U.S. ETF Trust
		CENTRAL INDEX KEY:			0001524513
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-179904
		FILM NUMBER:		20743091

	BUSINESS ADDRESS:	
		STREET 1:		400 HOWARD STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105
		BUSINESS PHONE:		(415) 670-2000

	MAIL ADDRESS:	
		STREET 1:		400 HOWARD STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0001524513
<SERIES-ID>S000037042
<SERIES-NAME>iShares Short Maturity Bond ETF
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000113876
<CLASS-CONTRACT-NAME>iShares Short Maturity Bond ETF
<CLASS-CONTRACT-TICKER-SYMBOL>NEAR
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001524513
<SERIES-ID>S000040474
<SERIES-NAME>iShares Ultra Short-Term Bond ETF
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000125661
<CLASS-CONTRACT-NAME>iShares Ultra Short-Term Bond ETF
<CLASS-CONTRACT-TICKER-SYMBOL>ICSH
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001524513
<SERIES-ID>S000047352
<SERIES-NAME>iShares Short Maturity Municipal Bond ETF
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000148680
<CLASS-CONTRACT-NAME>iShares Short Maturity Municipal Bond ETF
<CLASS-CONTRACT-TICKER-SYMBOL>MEAR
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>f2674d1.htm
<DESCRIPTION>FORM 497
<TEXT>
Document 1 - file: f2674d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img085802a71.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img085802a71.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img2bbaf6342.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img2bbaf6342.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ishares2019sm.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: ishares2019sm.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>isharesbc2019sm.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: isharesbc2019sm.jpg

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

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>img4e4f34ab1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: img4e4f34ab1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>img7707c4a12.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: img7707c4a12.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>mear.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: mear.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>icsh.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: icsh.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>img9409cd672.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: img9409cd672.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>imgcaab92971.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: imgcaab92971.jpg

</DOCUMENT>
</SEC-DOCUMENT>