UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 29549

FORM 13F

FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: March 31, 2008
Check here if Amendment	[  ]; Amendment Number:
This Amendment (Check only one):  [  ] is a restatement.
					    [  ] adds new holdings entries

Institutional Investment Manager Filing this Report:

Name:	Massachusetts Mutual Life Insurance Company
	1295 State Street
	Springfield, Massachusetts  01111

13F File Number:	28-548

The institutional investment manager filing this report, and the person
by whom  it is signed, hereby represent that the person signing the report
is authorized to submit it, that all information contained herein is true,
correct, and complete, and that it is understood that all required items,
statements, schedules, lists, and tables, are considered integral parts of
this form.

Person signing this report on Behalf of Reporting Manager:

Name:	      Rodney J. Dillman
Title:	Corporate Vice President and
            Associate General Counsel

Phone:	413-226-1064

Signature, Place, and date of Signing:

/s/ Rodney J. Dillman

Springfield, Massachusetts

May 8, 2008

Report Type	(Check only one):
[ x ]		13F HOLDINGS REPORT
[    ] 	13F NOTICE
[    ]	13F COMBINATION REPORT


List of other Managers Reporting for this Manager:	None







FORM 13F SUMMARY PAGE Report Summary:

Number of Other Included Managers: None (See note below)

Form 13F Information Table Entry Total: None (See note below)


Form 13F Information Table Value Total: None (See note below)

List of Other Included Managers:

Babson Capital Management LLC (Babson Capital), Baring Asset
Management,Inc. (Baring), Cornerstone Real Estate Advisers
LLC (Cornerstone),and Oppenheimer Funds, Inc. (Oppenheimer)
are all direct, majority-owned subsidiaries of Massachusetts
Mutual Life Insurance Company (MassMutual). Babson Capital,
Baring, Cornerstone and Oppenheimer have indicated that
they exercise sole investment discretion with respect to the
securities positions reported in each firms Form 13F filing.
Nevertheless, such positions shall be deemed reported on
behalf of MassMutual to the extent that MassMutual may be
deemed to share investment discretion over the positions
as a result of its ownership interests in Babson Capital,
Baring, Cornerstone and Oppenheimer.