| Year: | 2003 |
| Team: | McNeese State Cowboys |
| Sport: | football |
| Conference: | Southland Conference |
| Short Conf: | Southland |
| Tsnrank: | 8 |
| Record: | 10–2 |
| Conf Record: | 5–0 |
| Head Coach: | Tommy Tate |
| Hc Year: | 4th |
| Off Coach: | Matt Viator |
| Oc Year: | 4th |
| Def Coach: | Lance Guidry |
| Dc Year: | 2nd |
| Stadium: | Cowboy Stadium |
| Champion: | Southland champion |
| Bowl Result: | L 3–35 vs. Northern Arizona |
The 2003 McNeese State Cowboys football team was an American football team that represented McNeese State University as a member of the Southland Conference (Southland) during the 2003 NCAA Division I-AA football season. In their fourth year under head coach Tommy Tate, the team compiled an overall record of 10–2, with a mark of 5–0 in conference play, and finished as champion in the Southland. The Cowboys advanced to the NCAA Division I-AA Football Championship playoffs and lost to Northern Arizona in the first round.