<SEC-DOCUMENT>0000897436-17-000051-index.html : 20171228
<SEC-HEADER>0000897436-17-000051.hdr.sgml : 20171228
<ACCEPTANCE-DATETIME>20171228124417
ACCESSION NUMBER:		0000897436-17-000051
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20171031
FILED AS OF DATE:		20171228
DATE AS OF CHANGE:		20171228
EFFECTIVENESS DATE:		20171228

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:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-22649
		FILM NUMBER:		171277770

	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>S000042862
<SERIES-NAME>iShares Interest Rate Hedged Corporate Bond ETF
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000132817
<CLASS-CONTRACT-NAME>iShares Interest Rate Hedged Corporate Bond ETF
<CLASS-CONTRACT-TICKER-SYMBOL>LQDH
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001524513
<SERIES-ID>S000042863
<SERIES-NAME>iShares Interest Rate Hedged High Yield Bond ETF
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000132818
<CLASS-CONTRACT-NAME>iShares Interest Rate Hedged High Yield Bond ETF
<CLASS-CONTRACT-TICKER-SYMBOL>HYGH
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001524513
<SERIES-ID>S000044145
<SERIES-NAME>iShares Interest Rate Hedged 10+ Year Credit Bond ETF
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137261
<CLASS-CONTRACT-NAME>iShares Interest Rate Hedged 10+ Year Credit Bond ETF
<CLASS-CONTRACT-TICKER-SYMBOL>CLYH
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001524513
<SERIES-ID>S000044146
<SERIES-NAME>iShares Interest Rate Hedged Emerging Markets Bond ETF
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137262
<CLASS-CONTRACT-NAME>iShares Interest Rate Hedged Emerging Markets Bond ETF
<CLASS-CONTRACT-TICKER-SYMBOL>EMBH
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001524513
<SERIES-ID>S000044971
<SERIES-NAME>iShares Commodities Select Strategy ETF
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000139416
<CLASS-CONTRACT-NAME>iShares Commodities Select Strategy ETF
<CLASS-CONTRACT-TICKER-SYMBOL>COMT
</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>NSAR-B
<SEQUENCE>1
<FILENAME>answer.fil
<TEXT>
Document 1 - file: answer.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>audlett.txt
<TEXT>
Document 2 - file: audlett.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>3
<FILENAME>item77o10f.txt
<TEXT>
Document 3 - file: item77o10f.txt

</DOCUMENT>
</SEC-DOCUMENT>