Exhibit No. 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-199748 and 333-233071 on Form S-8 of our reports dated February 19, 2021, relating to the consolidated financial statements of Avanos Medical, Inc. and subsidiaries (the “Company”), and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Avanos Medical, Inc. for the year ended December 31, 2020.

/s/ DELOITTE & TOUCHE LLP  

Deloitte & Touche LLP

Atlanta, Georgia

February 19, 2021