<SEC-DOCUMENT>0001104659-25-017993-index.html : 20250227
<SEC-HEADER>0001104659-25-017993.hdr.sgml : 20250227
<ACCEPTANCE-DATETIME>20250227103941
ACCESSION NUMBER:		0001104659-25-017993
CONFORMED SUBMISSION TYPE:	497K
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250227
DATE AS OF CHANGE:		20250227
EFFECTIVENESS DATE:		20250227

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASSMUTUAL SELECT FUNDS
		CENTRAL INDEX KEY:			0000916053
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		497K
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-73824
		FILM NUMBER:		25674415

	BUSINESS ADDRESS:	
		STREET 1:		1295 STATE STREET
		CITY:			SPRINGFIELD
		STATE:			MA
		ZIP:			01111
		BUSINESS PHONE:		413-744-1000

	MAIL ADDRESS:	
		STREET 1:		1295 STATE STREET
		CITY:			SPRINGFIELD
		STATE:			MA
		ZIP:			01111

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MASSMUTUAL INSTITUTIONAL FUNDS
		DATE OF NAME CHANGE:	19931213
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000916053
<SERIES-ID>S000003681
<SERIES-NAME>MassMutual Equity Opportunities Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000010292
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>MFVAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000010293
<CLASS-CONTRACT-NAME>Administrative Class
<CLASS-CONTRACT-TICKER-SYMBOL>MMFVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000010294
<CLASS-CONTRACT-NAME>Class R3
<CLASS-CONTRACT-TICKER-SYMBOL>MFVNX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000010295
<CLASS-CONTRACT-NAME>Class R5
<CLASS-CONTRACT-TICKER-SYMBOL>MFVSX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000010296
<CLASS-CONTRACT-NAME>Service Class
<CLASS-CONTRACT-TICKER-SYMBOL>MMFYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000093673
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>MFVZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000140385
<CLASS-CONTRACT-NAME>Class R4
<CLASS-CONTRACT-TICKER-SYMBOL>MFVFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000240797
<CLASS-CONTRACT-NAME>Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>MMZOX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497K
<SEQUENCE>1
<FILENAME>tm257657d46_497k.htm
<DESCRIPTION>497K
<TEXT>
Document 1 - file: tm257657d46_497k.htm

</DOCUMENT>
</SEC-DOCUMENT>