Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption "Experts" in the Registration Statement Form S-3 and related Prospectus of Albireo Pharma, Inc. for the registration of $200,000,000 of common stock, preferred stock, debt securities, warrants, and units and to the incorporation by reference therein of our reports dated March 6, 2019, with respect to the consolidated financial statements of Albireo Pharma, Inc., and the effectiveness of internal control over financial reporting of Albireo Pharma, Inc., included in its Annual Report (Form 10-K) for the year ended December 31, 2018, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Boston, Massachusetts
March 6, 2019
