<SEC-DOCUMENT>0001193125-17-261272-index.html : 20170818
<SEC-HEADER>0001193125-17-261272.hdr.sgml : 20170818
<ACCEPTANCE-DATETIME>20170817182335
ACCESSION NUMBER:		0001193125-17-261272
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170818
DATE AS OF CHANGE:		20170817
EFFECTIVENESS DATE:		20170818

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:		171039671

	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>S000045926
<SERIES-NAME>iShares Edge U.S. Fixed Income Balanced Risk ETF
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000143123
<CLASS-CONTRACT-NAME>iShares Edge U.S. Fixed Income Balanced Risk ETF
<CLASS-CONTRACT-TICKER-SYMBOL>FIBR
</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>d444916d497.htm
<DESCRIPTION>FORM 497
<TEXT>
Document 1 - file: d444916d497.htm

</DOCUMENT>
</SEC-DOCUMENT>