2009–10 AJ Auxerre season

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.

Matches
The league fixtures were announced on 5 June 2009.