| Sport: | football |
| Year: | 2003 |
| Team: | UNLV Rebels |
| Conference: | Mountain West Conference |
| Short Conf: | MW |
| Record: | 6 - 6 |
| Conf Record: | 2 - 5 |
| Hc Year: | 5th |
| Oc Year: | 3rd as OC, 5th overall |
| Def Coach: | Mike Bradeson |
| Dc Year: | 3rd as OC, 8th overall |
| Stadium: | Sam Boyd Stadium |
The 2003 UNLV Rebels football team represented the University of Nevada, Las Vegas during the 2003 NCAA Division I-A football season. UNLV competed as a member of the Mountain West Conference (MW) and played their home games at Sam Boyd Stadium in Whitney, Nevada