Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the reference to our firm under the caption "Experts" and to the use of our report dated July 1, 2022, in the Registration Statement (Form S-1) and related Prospectus of Biohaven Ltd. for the registration of its common shares.

/s/ Ernst & Young LLP

Hartford, Connecticut

October 18, 2022