| Club: | Auxerre |
| Season: | 2009–10 |
| Chrtitle: | President |
| Chairman: | Alain Dujon |
| Mgrtitle: | Head coach |
| Manager: | Jean Fernandez |
| Stadium: | Stade de l'Abbé-Deschamps |
| League: | Ligue 1 |
| League Result: | 3rd |
| Cup1: | Coupe de France |
| Cup1 Result: | Quarter-finals |
| Cup2: | Coupe de la Ligue |
| Cup2 Result: | Third round |
| League Topscorer: | Ireneusz Jelen (14) |
| Season Topscorer: | Ireneusz Jelen (18) |
| Average Attendance: | 11,306 |
| Largest Loss: | Grenoble 5–0 Auxerre |
| Pattern B1: | _thinstripesonwhite |
| Leftarm1: | FFFFFF |
| Body1: | 1F24B4 |
| Rightarm1: | FFFFFF |
| Shorts1: | FFFFFF |
| Socks1: | FFFFFF |
| Pattern La2: | _whitelower |
| Pattern B2: | _thinwhitestripes |
| Pattern Ra2: | _whitelower |
| Leftarm2: | 1F24B4 |
| Body2: | 1F24B4 |
| Rightarm2: | 1F24B4 |
| Shorts2: | 1F24B4 |
| Socks2: | 1F24B4 |
| Pattern B3: | _bluesleevelinesandsides |
| Leftarm3: | E1FF4F |
| Body3: | E1FF4F |
| Rightarm3: | E1FF4F |
| Shorts3: | E1FF4F |
| Socks3: | E1FF4F |
| Prevseason: | 2008–09 |
| Nextseason: | 2010–11 |
The 2009–10 season was the 104th season in the existence of AJ Auxerre and the club's 30th 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 and Coupe de la Ligue.[1]
See main article: 2009–10 Ligue 1.
The league fixtures were announced on 5 June 2009.[2]
See main article: 2009–10 Coupe de France.
See main article: 2009–10 Coupe de la Ligue.