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

OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 12-31-2022
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
CRD Number (if applicable):
SEC File Number (if applicable):

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: Philip S. Wellman
Title: Head of Mutual Funds and RIA Compliance
Phone: 4137444870
Signature, Place, and Date of Signing:
Philip S. Wellman SPRINGFIELD, MASSACHUSETTSX1 01-30-2023
[Signature] [City, State] [Date]
Barings LLC, Baring Asset Management Limited, Baring Asset Management (Asia) Limited, Barings Asset Management Korea Ltd, Baring International Investment Limited, Baring SICE (Taiwan) Limited, MML Investors Services, LLC, 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 at 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 Barings LLC, Baring Asset Management Limited, Baring Asset Management (Asia) Limited, Barings Asset Management Korea Ltd, Baring International Investment Limited, Baring SICE (Taiwan) Limited, MML Investors Services, LLC, and The MassMutual Trust Company and for the limited and exclusive purpose of MassMutual's compliance with Section 13(f) and 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.]
Name Form 13F File No. CRD No. (if applicable) SEC File No. (if applicable) CIK
BARING ASSET MANAGEMENT Ltd 028-16289 000299118 802-114253 0001606779
BARING ASSET MANAGEMENT (ASIA) Ltd 028-16290 000108513 801-56176 0001624302
BARINGS LLC 028-00060 000106006 801-241 0000009015
Baring International Investment Ltd 028-15112 000105724 801-15160 0001568131
Baring Asset Management Korea Ltd 028-19111     0001606780
Baring SICE (Taiwan) Limited 028-20060      
MASSMUTUAL TRUST CO FSB/ADV 028-15866     0001103653
MML INVESTORS SERVICES, LLC 028-16947 000010409 801-44264 0000701059