United States securities and exchange commission logo December 29, 2021 Diane Carman, Esq. Senior Vice President and General Counsel WINDTREE THERAPEUTICS, INC. 2600 Kelly Road, Suite 100 Warrington, Pennsylvania 18976 Re: WINDTREE THERAPEUTICS, INC. Registration Statement on Form S-3 Filed December 23, 2021 File No. 333-261878 Dear Ms. Carman: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Daniel Crawford at 202-551-7767 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Rachael Bushey