Exhibit 23.1

KPMG LLP
Bay Adelaide Centre
333 Bay Street, Suite 4600
Toronto, ON M5H 2S5
Canada
Tel 416-777-8500
Fax 416-777-8818
Consent of Independent Registered Public Accounting Firm
The Board of Directors of Seabridge Gold Inc.
We consent to the inclusion in this annual report on Form 40-F of:
| ● | our Report of Independent Registered Public Accounting Firm dated March 23, 2021, addressed to the shareholders and board of directors of Seabridge Gold Inc. (the “Company”), on the consolidated financial statements of the Company comprising of the consolidated statements of financial position of the Company as at December 31, 2020 and 2019, the related consolidated statements of operations and comprehensive loss, changes in shareholders’ equity and cash flows for each of the years then ended, and the related notes; and |
| ● | our Report of Independent Registered Public Accounting Firm dated March 23, 2021 on the effectiveness of internal control over financial reporting as of December 31, 2020, |
each of which is contained in this annual report on Form 40-F of the Company for the fiscal year ended December 31, 2020.
We also consent to the incorporation by reference of such reports in the Registration Statement No. 333-251081 on Form F-10 and the Registration Statement No. 333-211331 on Form S-8 of the Company.

Chartered Professional Accountants, Licensed Public Accountants
Toronto, Canada
March 24, 2021
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