| Year: | 2005 |
| Team: | New Mexico State Aggies |
| Sport: | football |
| Conference: | Western Athletic Conference |
| Short Conf: | WAC |
| Record: | 0–12 |
| Conf Record: | 0–8 |
| Head Coach: | Hal Mumme |
| Hc Year: | 1st |
| Cooff Coach1: | Gary Goff |
| Cooc1 Year: | 1st |
| Cooff Coach2: | Matt Mumme |
| Cooc2 Year: | 1st |
| Off Scheme: | Air raid |
| Def Coach: | Woody Widenhofer |
| Dc Year: | 1st |
| Def Scheme: | 3–4 |
| Stadium: | Aggie Memorial Stadium |
The 2005 New Mexico State Aggies football team represented New Mexico State University in the 2005 NCAA Division I-A football season. The Aggies were coached by head coach Hal Mumme and played their home games at Aggie Memorial Stadium in Las Cruces, New Mexico. They participated as members of the Western Athletic Conference.