| Current position | |
|---|---|
| Title | Associate head coach |
| Team | Clemson |
| Conference | ACC |
| Biographical details | |
| Born | February 10, 1977 Northbrook, Illinois, U.S. |
| Playing career | |
| 1996–1999 | UNC Wilmington |
| Position(s) | Guard |
| Coaching career (HC unless noted) | |
| 1999–2000 | American (assistant) |
| 2000–2001 | St. Peters (assistant) |
| 2001–2006 | UNC Wilmington (assistant) |
| 2006–2010 | Wright State (assoc. HC) |
| 2010–2016 | Wright State |
| 2016–2017 | Michigan (assistant) |
| 2017–2019 | Northwestern (assistant) |
| 2019–2022 | Kansas City |
| 2022–present | Clemson (associate HC) |
| Head coaching record | |
| Overall | 155–133 (.538) |
| Accomplishments and honors | |
| Awards | |
| Horizon League Coach of the Year (2013) | |
William Joseph Donlon (born February 10, 1977) is an American college basketball coach, currently an associate head coach at Clemson University.