United States securities and exchange commission logo January 28, 2021 Kyle Guse Chief Financial Officer and General Counsel ATOSSA THERAPEUTICS, INC. 107 Spring Street Seattle, Washington 98104 Re: ATOSSA THERAPEUTICS, INC. Registration Statement on Form S-3 Filed January 22, 2021 File No. 333-252335 Dear Mr. Guse: 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 Margaret Schwartz at 202-551-7153 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Ryan Murr, Esq.