Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 

We consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated March 26, 2026, with respect to the financial statements of Quoin Pharmaceuticals Ltd. included in the Annual Report on Form 10-K of Quoin Pharmaceuticals Ltd. for the year ended December 31, 2025. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ CBIZ CPAs P.C.

Morristown, New Jersey

September 18, 2026