H. Oswald "Os" Doenges (October 18, 1905 – March 1987) was an American football player and coach. He served as the head football coach at Oklahoma City University from 1938 to 1941, Northwestern State College—now known as Northwestern Oklahoma State University—in Alva, Oklahoma in 1942, and Sterling College in Sterling, Kansas from 1949 to 1952. Doenges was known for his creativity in the sport with several attempts to improve the game by making it faster and more enjoyable to watch.