<SEC-DOCUMENT>0001193125-15-010803-index.html : 20150227
<SEC-HEADER>0001193125-15-010803.hdr.sgml : 20150227

<ACCEPTANCE-DATETIME>20150114172208

<PRIVATE-TO-PUBLIC>

ACCESSION NUMBER:		0001193125-15-010803

CONFORMED SUBMISSION TYPE:	S-3/A

PUBLIC DOCUMENT COUNT:		5

FILED AS OF DATE:		20150114

DATE AS OF CHANGE:		20150129


FILER:


	COMPANY DATA:	

		COMPANY CONFORMED NAME:			ALCOA INC.

		CENTRAL INDEX KEY:			0000004281

		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]

		IRS NUMBER:				250317820

		STATE OF INCORPORATION:			PA

		FISCAL YEAR END:			1231



	FILING VALUES:

		FORM TYPE:		S-3/A

		SEC ACT:		1933 Act

		SEC FILE NUMBER:	333-201055

		FILM NUMBER:		15527859



	BUSINESS ADDRESS:	

		STREET 1:		390 PARK AVENUE

		CITY:			NEW YORK

		STATE:			NY

		ZIP:			10022-4608

		BUSINESS PHONE:		2128362732



	MAIL ADDRESS:	

		STREET 1:		390 PARK AVENUE

		CITY:			NEW YORK

		STATE:			NY

		ZIP:			10022-4608



	FORMER COMPANY:	

		FORMER CONFORMED NAME:	ALCOA INC

		DATE OF NAME CHANGE:	19990105



	FORMER COMPANY:	

		FORMER CONFORMED NAME:	ALUMINUM CO OF AMERICA

		DATE OF NAME CHANGE:	19920703



</SEC-HEADER>

<DOCUMENT>
<TYPE>S-3/A
<SEQUENCE>1
<FILENAME>d850046ds3a.htm
<DESCRIPTION>AMENDMENT NO. 1 TO FORM S-3
<TEXT>
Document 1 - file: d850046ds3a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-15
<SEQUENCE>2
<FILENAME>d850046dex15.htm
<DESCRIPTION>EX-15
<TEXT>
Document 2 - file: d850046dex15.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d850046dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d850046dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g8500461.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g8500461.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>6
<FILENAME>filename6.htm
<TEXT>
Document 6 - file: filename6.htm

</DOCUMENT>
</SEC-DOCUMENT>