John Landrum Martin Jr. (18 October 1920 – 15 November 2009) was a major general in the United States Air Force. He enlisted in the United States Army Air Corps in 1940 and flew combat missions in Boeing B-29 Superfortress bombers in the China-Burma-India Theater. After he retired from the USAF in 1970, he became vice president for engineering and operations at the Communications Satellite Corporation (COMSAT) in Washington, DC, where he oversaw the development and deployment of the , Marisat and Aerosat communication satellite programs.