| Year: | 2003 |
| Team: | Coastal Carolina Chanticleers |
| Sport: | football |
| Conference: | Big South Conference |
| Short Conf: | Big South |
| Record: | 6–5 |
| Conf Record: | 1–3 |
| Head Coach: | David Bennett |
| Hc Year: | 1st |
| Def Coach: | Curtis Walker |
| Dc Year: | 1st |
| Stadium: | Brooks Stadium |
| Prev Year: | none |
The 2003 Coastal Carolina Chanticleers football team represented Coastal Carolina University as a member of the Big South Conference during the 2003 NCAA Division I-AA football season. It was the inaugural season for the program. Led by first-year head coach David Bennett, the Chanticleers compiled an overall record of 6–5 with a mark of 1–3 in conference play, placing fourth in the Big South. Coastal Carolina played home games at Brooks Stadium in Conway, South Carolina.