| Otto D. Unruh | |
| Birth Date: | 17 September 1899 |
| Death Place: | Newton, Kansas, U.S.[1] |
| Coach Sport1: | Football |
| Coach Years2: | 1929–1942 |
| Coach Team2: | Bethel (KS) |
| Coach Years3: | 1945–1966 |
| Coach Team3: | Clay Center Comm. HS (KS) |
| Coach Years4: | 1967–1969 |
| Coach Team4: | Bethel (KS) |
| Overall Record: | 53–76–6 (college football) 126–65–8 (high school football) |
Otto Dean Unruh (September 17, 1899 – May 19, 1992) was an American football player and coach. In 1960, Unruh wrote the book How To Coach Winning Football and is credited with inventing the T-Wing offensive football formation, having run the play as early as 1938. He is a member of the Kansas Sports Hall of Fame.[2]
Unruh played one season of basketball for the Kansas Jayhawks under head coach Phog Allen[3] before his graduation in 1926.
Unruh was the head football coach at Bethel College in North Newton, Kansas. He held that position for 17 seasons, from 1929 until 1942 and again from 1967 through 1969. His coaching record at Bethel was 53–76–6.[4] Bethel College honored his legacy by inducting him into the schools athletic hall of fame.[5]
In between his two times as head coach at Bethel, Unruh was a high school teacher at Clay Center Community High School in Clay Center, Kansas. While teaching high school he was coach of both football and track teams and the high school stadium bears his name.[6] In 2004, the school added him to their "Hall of Fame" for his accomplishments.[7]