Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-31366 and 333-168758 of our report dated June 20, 2025, appearing in this Annual Report on Form 11-K of the HNI Corporation 401(K) Plan for the year ended December 31, 2024.

/s/ FGMK, LLC

Bannockburn, Illinois
June 20, 2025