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: 12-31-2020
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: MUFG Union Bank, N.A.
Address: MUFG Union Bank, N.A.
400 CALIFORNIA STREET
SAN FRANCISCO, CA  94104
Form 13F File Number: 028-04661

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: Daniel Kinsella
Title: Vice President
Phone: 510-907-2959
Signature, Place, and Date of Signing:
/s/ Daniel Kinsella OaklandCA 01-29-2021
[Signature] [City, State] [Date]
MUFG UNION BANK, N.A. FORMERLY FILED UNDER THE NAME OF UNION BANK OF CALIFORNIA N A
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
028-15111 Boltwood Capital Management
028-05033 BT ALEX BROWN INC /
028-06208 CLIFFORD SWAN INVESTMENT COUNSEL LLC
028-11340 Covington Capital Management
028-02787 FERGUSON WELLMAN CAPITAL MANAGEMENT, INC
028-14862 Granite Investment Partners, LLC
028-07466 HUTCHINSON CAPITAL MANAGEMENT/CA
028-06392 MAI Capital Management
028-04665 MUFG Americas Holdings Corp
028-04483 OSTERWEIS CAPITAL MANAGEMENT INC
028-00970 RNC CAPITAL MANAGEMENT LLC