| Year: | 1921 |
| Team: | Southwestern Louisiana Bulldogs |
| Sport: | football |
| Conference: | Louisiana Intercollegiate Athletic Association |
| Short Conf: | LIAA |
| Record: | 8–2 |
| Head Coach: | T. R. Mobley |
| Hc Year: | 3rd |
| Stadium: | Girard Field |
| Prev: | 1920 |
The 1921 Southwestern Louisiana Bulldogs football team was an American football team that represented the Southwestern Louisiana Institute of Liberal and Technical Learning (now known as the University of Louisiana at Lafayette) in the Louisiana Intercollegiate Athletic Association during the 1921 college football season. In their fourth year under head coach T. R. Mobley, the team compiled a 9–2 record.[1]