| Club: | Chamois Niortais F.C. |
| Season: | 2003–04 |
| Chrtitle: | President |
| Mgrtitle: | Head coach |
| Manager: | Philippe Hinschberger |
| Stadium: | Stade René Gaillard |
| League: | Ligue 2 |
| League Result: | 8th |
| Cup1: | Coupe de France |
| Cup1 Result: | Eighth round |
| Cup2: | Coupe de la Ligue |
| Cup2 Result: | First round |
| League Topscorer: | Stéphane Biakolo (11) |
| Season Topscorer: | Stéphane Biakolo (11) |
| Prevseason: | 2002–03 |
| Nextseason: | 2004–05 |
The 2003–04 season was the 103rd season in the existence of Chamois Niortais F.C. and the club's 12th consecutive season in the second division of French football. In addition to the domestic league, Chamois Niortais F.C. participated in this season's editions of the Coupe de France and the Coupe de la Ligue.
See main article: 2003–04 Ligue 2.
See main article: 2003–04 Coupe de France.
See main article: 2003–04 Coupe de la Ligue.