August 27, 2024 Gavin B. Brandon Chief Financial Officer Orion Office REIT Inc. 2398 E. Camelback Road, Suite 1060 Phoenix, AZ 85016 Re: Orion Office REIT Inc. Form 10-K for the Fiscal Year ended December 31, 2023 File No. 001-40873 Dear Gavin B. Brandon: 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