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 March 21, 2019 (except for the last paragraph of Note 12, as to which the date is April 8, 2019) in Amendment No. 1 to the Registration Statement onForm S-1 (No.333-230428) and the related Prospectus of Turning Point Therapeutics, Inc. for the registration of shares of its common stock.
/s/ Ernst & Young LLP
San Diego, California
April 8, 2019
