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 August 10, 2018, in the Registration Statement (FormS-1) and related Prospectus of Allogene Therapeutics, Inc. for the registration of shares of its common stock.
/s/ Ernst & Young LLP
Redwood City, California
September 14, 2018
