Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We have issued our reports dated March 2, 2020, with respect to the consolidated financial statements and internal control over financial reporting included in the Annual Report of Rayonier Advanced Materials Inc. on Form 10-K for the year ended December 31, 2019. We consent to the incorporation by reference of said reports in the

Registration Statements of Rayonier Advanced Materials Inc. on Forms S-8 (File No. 333-197093 and File No. 333-218975) and Forms S-3 (File No. 333-212068 and File No. 333-209747).

/s/ Grant Thornton LLP

Jacksonville, Florida

March 2, 2020