Otto Dean Unruh (September 17, 1899 – May 19, 1992) was an American football player and coach.

[2] Unruh played one season of basketball for the Kansas Jayhawks under head coach Phog Allen[3] before his graduation in 1926.

[2] Unruh was the head football coach at Bethel College in North Newton, Kansas.

[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.