Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the inclusion in the Annual Report on Form 20-F of our auditor’s report dated June 22, 2026 relating to the consolidated financial statements of Psyence Biomedical Ltd. (the “Company”) consisting of the consolidated statements of financial position as at March 31, 2026 and 2025 and the related consolidated statements of net income/(loss) and comprehensive income /(loss), changes in shareholders’ equity/(deficit) and cash flows for each of the years in the three year period ended March 31, 2026, as filed with the United States Securities and Exchange Commission.

Chartered Professional Accountants

Licensed Public Accountants

June 22, 2026

Toronto, Canada