<SEC-DOCUMENT>0001193125-17-103549-index.html : 20170330
<SEC-HEADER>0001193125-17-103549.hdr.sgml : 20170330
<ACCEPTANCE-DATETIME>20170330132205
ACCESSION NUMBER:		0001193125-17-103549
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20170131
FILED AS OF DATE:		20170330
DATE AS OF CHANGE:		20170330
EFFECTIVENESS DATE:		20170330

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST I
		CENTRAL INDEX KEY:			0000773757
		IRS NUMBER:				363376651
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04367
		FILM NUMBER:		17724756

	BUSINESS ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLUMBIA FUNDS TRUST IX
		DATE OF NAME CHANGE:	20031107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19991025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STEINROE MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000044269
<SERIES-NAME>Columbia Diversified Real Return Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137909
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CDRAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137910
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CDRCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137911
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Class R4
<CLASS-CONTRACT-TICKER-SYMBOL>CDRRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137912
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Class R5
<CLASS-CONTRACT-TICKER-SYMBOL>CDRFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137913
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>CDRZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000144709
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Class T
<CLASS-CONTRACT-TICKER-SYMBOL>CDTWX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>NSAR-B
<SEQUENCE>1
<FILENAME>d349781dnsarb.fil
<DESCRIPTION>COLUMBIA FUNDS SERIES TRUST I
<TEXT>
Document 1 - file: d349781dnsarb.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77B
<SEQUENCE>2
<FILENAME>d349781dex9977b.htm
<DESCRIPTION>EXHIBIT 77B
<TEXT>
Document 2 - file: d349781dex9977b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77E
<SEQUENCE>3
<FILENAME>d349781dex9977e.htm
<DESCRIPTION>EXHIBIT 77E
<TEXT>
Document 3 - file: d349781dex9977e.htm

</DOCUMENT>
</SEC-DOCUMENT>