| Club: | Auxerre |
| Season: | 2004–05 |
| Chrtitle: | President |
| Chairman: | Jean-Claude Hamel |
| Mgrtitle: | Head coach |
| Manager: | Guy Roux |
| Stadium: | Stade de l'Abbé-Deschamps |
| League: | Ligue 1 |
| League Result: | 8th |
| Cup1: | Coupe de France |
| Cup1 Result: | Winners |
| Cup2: | Coupe de la Ligue |
| Cup2 Result: | Quarter-finals |
| Cup3: | UEFA Cup |
| Cup3 Result: | Quarter-finals |
| League Topscorer: | Benjani Mwaruwari (11) |
| Season Topscorer: | Bonaventure Kalou (18) |
| Average Attendance: | 11,232[1] |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
The 2004–05 season was the 99th season in the existence of AJ Auxerre and the club's 25th consecutive season in the top-flight of French football. In addition to the domestic league, Auxerre participated in this season's editions of the Coupe de France, the Coupe de la Ligue and UEFA Cup.[2]
Auxerre fell to 8th in the final table, but won the Coupe de France. Manager Guy Roux retired at the end of the season, after 36 years managing the club. He was replaced by Jacques Santini.[3]
See main article: 2004–05 Ligue 1.
See main article: 2004–05 Coupe de France.
See main article: 2004–05 Coupe de la Ligue.
See main article: 2004–05 UEFA Cup.