United States securities and exchange commission logo August 11, 2020 Jeffery Strickland Chief Financial Officer Atrion Corporation One Allentown Parkway Allen, TX 75002 Re: Atrion Corporation Form 10-K for the Fiscal Year Ended December 31, 2019 Filed March 2, 2020 Form 10-K for the Fiscal Year Ended December 31, 2018 Filed February 26, 2019 File No. 001-32982 Dear Mr. Strickland: We have completed our review of your filings. 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. Sincerely, Division of Corporation Finance Office of Life Sciences cc: B. G. Minisman, Jr., Esq.