John Carter Montgomery (Elizabethtown, Kentucky, November 22, 1881 – Washington, D.C., June 7, 1948) was an American equestrian who competed in the 1912 Summer Olympics.
Montgomery graduated from West Point in 1903, and was commissioned in the 7th Cavalry Regiment. In 1907, he married Virginia Lee, daughter of Major General Fitzhugh Lee.
He was part of the American team, which won the bronze medal in the equestrian team event.
In the individual competition he finished ninth and in the individual dressage competition he finished twentieth. He was also part of the American team, which finished fourth in the team jumping competition.
- ^ Some sources say that he was born on October 22, 1881.
- ^ AOG obituary