Frank Sherman Henry (December 15, 1909 – August 25, 1989) was an American equestrian. He competed at the 1948 Summer Olympics and won a gold medal in team eventing and silver medals in individual eventing and team dressage, becoming the only American equestrian to win three medals at one Olympics. Henry graduated from the United States Military Academy in 1933 and later worked as an instructor at various military stations. He was selected for the 1940 Olympics, but they were canceled due to World War II. During the war he served as at the United States Department of Defense. He retired from the army as a brigade general.