| Year: | 2009 |
| Team: | Utah State Aggies |
| Sport: | football |
| Conference: | Western Athletic Conference |
| Short Conf: | WAC |
| Record: | 4–8 |
| Conf Record: | 3–5 |
| Head Coach: | Gary Andersen |
| Hc Year: | 1st |
| Off Coach: | Dave Baldwin |
| Oc Year: | 1st |
| Def Coach: | Bill Busch |
| Dc Year: | 1st |
| Stadium: | Romney Stadium |
The 2009 Utah State Aggies football team represented Utah State University as a member of the Western Athletic Conference (WAC) in the 2009 NCAA Division I FBS football season. The Aggies were led by first-year head coach Gary Andersen and played their home games at Romney Stadium. Utah State finished the season with a record of 4–8 overall and 3–5 in WAC play.