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 10, 2015, in the Registration Statement (Form F-1) and related Prospectus of Cellectis S.A. dated March 17, 2015.
Ernst & Young et Autres
/s/ Franck Sebag
Paris La Defense, France
March 17, 2015