Exhibit 21.1

Bank of Hawaii Corporation

Subsidiaries of the Registrant

The required information with respect to subsidiaries of Bank of Hawaii Corporation as of December 31, 2023, is provided below. All domestic subsidiaries are wholly-owned. Each entity is consolidated with its immediate parent company.

BANK OF HAWAII CORPORATION (Parent)

     Bank Holding Company - Delaware

     Subsidiaries:

BANK OF HAWAII

     Hawaii

     Subsidiaries:

Bankoh Investment Services, Inc. (Brokerage)

Hawaii

BOH Wholesale Insurance Agency, Inc. (Insurance)

Hawaii

Pacific Century Insurance Services, Inc. (Captive Insurance)

Hawaii

RGA Corp. (Real Property Holding Company)

Hawaii

Pacific Century Life Insurance Corporation (Insurance)

Arizona