Henry "Hank" Buttelmann (June 26, 1929 – September 16, 2019) was an American fighter pilot of the United States Air Force in the Korean War and Vietnam War. He had seven victories over enemy aircraft in Korea, making him a flying ace. He gained his fifth kill on June 30, 1953, just after his 24th birthday, which made him the youngest ace of the war.
Buttelmann died on September 16, 2019 in Frankfort, Illinois at the age of 90.