EX-23.1 2 a202211kex231.htm EX-23.1

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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-8 No. 333-141029) pertaining to Avient Retirement Savings Plan and the DH Compounding Company Savings and Retirement Plan and Trust; and

(2)Registration Statement (Form S-8 No. 333-157486) pertaining to Avient Retirement Savings Plan

of our report date June 23, 2023 appearing in the annual report on Form 11-K of Avient Retirement Savings Plan as
of December 31, 2022 and 2021 and for the year ended December 31, 2022.

/s/ Plante & Moran, PLLC

Cleveland, Ohio

June 23, 2023