Billy Hahn
| Biographical details | |
|---|---|
| Born | June 22, 1953 Mishawaka, Indiana, U.S. |
| Died | April 7, 2023 (aged 69) |
| Playing career | |
| 1971–1974 | Maryland |
| Position(s) | Point guard |
| Coaching career (HC unless noted) | |
| 1974–1975 | Morris Harvey (assistant) |
| 1975–1976 | Davidson (assistant) |
| 1976–1979 | Rhode Island (assistant) |
| 1979–1986 | Ohio (assistant) |
| 1986–1989 | Ohio |
| 1989–2001 | Maryland (assistant) |
| 2001–2004 | La Salle |
| 2007–2017 | West Virginia (assistant) |
| Head coaching record | |
| Overall | 79–99 |
Billy Hahn (June 22, 1953 – April 7, 2023) was an American basketball coach who was an assistant coach for the West Virginia Mountaineers under head coach Bob Huggins. During his head coaching and assistant coaching career, Hahn has coached and recruited 19 future NBA players and set various school records at Maryland with numerous NCAA Tournament appearances over his career.