John P. Roth (born 1952 or 1953) is an American government official who served as the Assistant Secretary of the Air Force (Financial Management & Comptroller) from January 2, 2018, to January 20, 2021, and also 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.