Paul O. Bixler (January 25, 1907 – November 18, 1985) was an American football player, coach, and administrator and basketball coach. He served as the head football coach at Ohio State University for one season in 1946 and at Colgate University from 1947 to 1951, compiling a career record of 18–30–4. Bixler was also the head basketball coach at the University of Akron (1936–1939) and Colgate (1939–1941), tallying a mark of 52–27. He later served as director of player personnel for the Cleveland Browns of the National Football League (NFL). Bixler died after suffering a heart attack in 1985.