| BYU Cougars | |
|---|---|
| Position | Assistant coach |
| League | Big 12 Conference |
| Personal information | |
| Born | August 18, 1976 Cabot, Vermont |
| Nationality | American |
| Career information | |
| High school | Cabot (Cabot, Vermont) |
| College | Pomona |
| Coaching career | 1998–present |
| Career history | |
| As coach: | |
| 1998–1999 | Los Angeles Clippers (intern) |
| 1999–2001 | San Antonio Spurs (video coord.) |
| 2001–2002 | Texas (assistant) |
| 2002–2003 | Metro State (assistant) |
| 2003–2006 | Ulriken Elite |
| 2006–2009 | Vermont Frost Heaves |
| 2009–2014 | Bakersfield Jam |
| 2014–2015 | Shanxi Brave Dragons (assistant) |
| 2020 | Telekom Baskets Bonn |
| 2021 | Telekom Baskets Bonn |
| 2022 | Zamalek |
| 2023–2024 | Austin Spurs |
| 2024–present | BYU (assistant) |
William Voigt (born August 18, 1976) is an American basketball coach who is currently serving as an assistant coach of the Brigham Young University (BYU) men's basketball team. Voigt has held various coaching roles at the professional, minor league, and collegiate levels in the United States and in other countries, including coaching in the 2016 Summer Olympics. Immediately prior to joining the Cougars, Voigt was head coach of the Austin Spurs of the NBA G League.