| Hoang Doc Bui | |
| Height: | 1.70 m |
| Birth Date: | 1972 5, df=yes |
| Position: | midfielder |
| Years1: | 1989–1990 |
| Clubs1: | FC Bassecourt |
| Years2: | 1990–1993 |
| Clubs2: | Neuchâtel Xamax |
| Years3: | 1993–1994 |
| Clubs3: | FC Bulle |
| Years4: | 1994–2004 |
| Clubs4: | SR Delémont |
| Years5: | 1998 |
| Clubs5: | → FC Sion (loan) |
| Years6: | 2004–2009 |
| Clubs6: | FC Bassecourt |
Hoang Doc Bui (born 11 May 1972) is a Swiss retired footballer who played as a midfielder.