The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

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OMB Number: 3235-0006
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Report for the Calendar Year or Quarter Ended: 06-30-2016
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 CO
Address: 1295 STATE STREET
SPRINGFIELD, MA  01111
Form 13F File Number: 028-00548

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: Donald Griffith
Title: Vice President Corporate Compliance
Phone: 413-744-5103
Signature, Place, and Date of Signing:
Donald Griffith SpringfieldMA 07-13-2016
[Signature] [City, State] [Date]
Babson Capital Management LLC, Baring Asset Management Limited, Baring Asset Management (Asia) Limited, Baring International Investment Limited, Cornerstone Real Estate Advisers LLC, MML Investors Services, LLC, OppenheimerFunds, Inc., OFI Private Investments Inc., OFI Global Institutional, Inc., OFI SteelPath, Inc., OFI Global Asset Management, Inc. , VTL Associates, LLC, First Mercantile Trust Company and The MassMutual Trust Company are all indirect, majority-owned or wholly-owned subsidiaries of Massachusetts Mutual Life Insurance Company (MassMutual). The entities listed have indicated that they exercise investment discretion with respect to the securities positions reported in each firm's Form 13F filing. Nevertheless, such positions are deemed reported on behalf of MassMutual to the extent that MassMutual is deemed to share investment discretion over the positions as a result of its ownership interests in Babson Capital Management LLC, Baring Asset Management Limited, Baring Asset Management (Asia) Limited, Baring International Investment Limited, Cornerstone Real Estate Advisers LLC, MML Investors Services, LLC, OppenheimerFunds, Inc., OFI Private Investments Inc., OFI Global Institutional, Inc., OFI SteelPath, Inc., OFI Global Asset Management, Inc. , VTL Associates, LLC, First Mercantile Trust Company and The MassMutual Trust Company and for the limited and exclusive purpose of MassMutual's compliance with Section 13(f) of the Securities Exchange Act of 1934, as amended.
Report Type (Check only one.):
   13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
X 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
   13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name
028-00060 BABSON CAPITAL MANAGEMENT LLC
028-15112 Baring International Investment Ltd
028-12028 Cornerstone Real Estate Advisers LLC
028-10498 FIRST MERCANTILE TRUST CO
028-10231 OFI PRIVATE INVESTMENTS INC
028-15436 OFI SteelPath, Inc.
028-10234 OFI GLOBAL INSTITUTIONAL, INC
028-15607 OFI Global Asset Management, Inc.
028-15866 MASSMUTUAL TRUST CO FSB/ADV
028-16289 BARING ASSET MANAGEMENT Ltd
028-16290 BARING ASSET MANAGEMENT ASIA Ltd
028-16947 MML INVESTORS SERVICES, LLC
028-12355 VTL Associates, LLC
028-00203 OppenheimerFunds, Inc.