John P. Roth is an American government official who serves as the Assistant Secretary of the Air Force (Financial Management & Comptroller) since February 2, 2018 and had served as the Acting United States Secretary of the Air Force from January 20, 2021 to July 28, 2021 and the Acting United States Under Secretary of the Air Force from June 1, 2019 to October 18, 2019. He served as the Acting Under Secretary of Defense (Comptroller) from January 20, 2017 to June 1, 2017.