Ralph Underhill
| Biographical details | |
|---|---|
| Born | August 12, 1941 Erlanger, Kentucky, U.S.  | 
| Died | September 8, 2011 (aged 70) Cincinnati, Ohio, U.S.  | 
| Alma mater | Tennessee Tech | 
| Coaching career (HC unless noted) | |
| 1978–1996 | Wright State | 
| Head coaching record | |
| Overall | 356–162 (.687) | 
| Accomplishments and honors | |
| Championships | |
| 1983 NCAA Division II National Champions | |
Ralph W. Underhill (August 8, 1941 – September 8, 2011) was an American college basketball coach, known for leading the Wright State Raiders men's basketball team for 18 seasons.