<SEC-DOCUMENT>0001752724-21-226012-index.html : 20211026
<SEC-HEADER>0001752724-21-226012.hdr.sgml : 20211026
<ACCEPTANCE-DATETIME>20211026093344
ACCESSION NUMBER:		0001752724-21-226012
CONFORMED SUBMISSION TYPE:	NPORT-P
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210831
FILED AS OF DATE:		20211026
PERIOD START:           	20210831

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIDELITY INCOME FUND /MA/
		CENTRAL INDEX KEY:			0000751199
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0731

	FILING VALUES:
		FORM TYPE:		NPORT-P
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04085
		FILM NUMBER:		211346481

	BUSINESS ADDRESS:	
		STREET 1:		245 SUMMER STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		617-563-7000

	MAIL ADDRESS:	
		STREET 1:		245 SUMMER STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIDELITY MORTGAGE SECURITIES FUND
		DATE OF NAME CHANGE:	19851103
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000751199
<SERIES-ID>S000072130
<SERIES-NAME>Fidelity Environmental Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227901
<CLASS-CONTRACT-NAME>Fidelity Advisor Environmental Bond Fund: Class M
<CLASS-CONTRACT-TICKER-SYMBOL>FEBEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227902
<CLASS-CONTRACT-NAME>Fidelity Advisor Environmental Bond Fund: Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FEBBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227903
<CLASS-CONTRACT-NAME>Fidelity Environmental Bond Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FFEBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227904
<CLASS-CONTRACT-NAME>Fidelity Advisor Environmental Bond Fund: Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FEBFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227905
<CLASS-CONTRACT-NAME>Fidelity Advisor Environmental Bond Fund: Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FEBDX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227906
<CLASS-CONTRACT-NAME>Fidelity Advisor Environmental Bond Fund: Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>FEBGX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>NPORT-P
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>