Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the following Registration Statements:
| (1) | Registration Statement (Form S-8 No. 333-227389) pertaining to the Amended and Restated 2008 Equity Incentive Plan, the 2018 Equity Incentive Plan and the 2018 Employee Stock Purchase Plan of Principia Biopharma Inc., |
| (2) | Registration Statement (Form S-8 No. 333-231263) pertaining to the 2018 Equity Incentive Plan and the 2018 Employee Stock Purchase Plan of Principia Biopharma Inc., and |
| (3) | Registration Statement (Form S-3 No. 333-234038) of Principia Biopharma Inc. and the related Prospectus; |
of our report dated March 10, 2020, with respect to the consolidated financial statements of Principia Biopharma Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2019.
/s/ Ernst & Young LLP
Redwood City, California
March 10, 2020