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-3 No. 333-276794) of Arcutis Biotherapeutics, Inc.,

(2) Registration Statement (Form S-8 No. 333-236178) pertaining to the 2017 Equity Incentive

Plan, the 2020 Equity Incentive Plan, and the 2020 Employee Stock Purchase Plan of Arcutis

Biotherapeutics, Inc.,

(3) Registration Statement (Form S-8 No. 333-253155) pertaining to securities to be offered to

employees in employee benefit plans of Arcutis Biotherapeutics, Inc.,

(4) Registration Statement (Form S-8 No. 333-262902) pertaining to securities offered to

employees in employee benefits plans of Arcutis Biotherapeutics, Inc.

(5) Registration Statement (Form S-8 No. 333-270136) pertaining to securities offered to

employees in employee benefits plans of Arcutis Biotherapeutics, Inc.

of our report dated February 27, 2024, with respect to the consolidated financial

statements of Arcutis Biotherapeutics, Inc.included in this Annual Report (Form 10-K) of

Arcutis Biotherapeutics, Inc. for the year ended December 31, 2023.

/s/ Ernst & Young LLP

Los Angeles, California

February 27, 2024