July 25, 2024 Gordon Harper Chief Financial Officer, Controller and Secretary Armour Residential REIT, Inc. 3001 Ocean Drive Suite 201 Vero Beach, FL 32963 Re: Armour Residential REIT, Inc. Form 10-K for the Fiscal Year Ending December 31, 2023 Filed March 15, 2024 File No. 001-34766 Dear Gordon Harper: We have completed our review of your filing. 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 Real Estate & Construction