Ellison Edwin Ketchum was an American football and basketball player, coach, and college athletics administrator. He was the head football coach at the University of Denver for one season in 1942, compiling a record of 6–3–1. Ketchum served two stints as the head basketball coach at Denver, from 1940 to 1943 and from 1946 to 1948, amassing a record of 63–60.