Association de la Jeunesse Auxerroise ([asɔsjɑsjɔ̃ də la ʒœnɛs osɛʁwaz]), commonly known as AJ Auxerre or simply Auxerre ([osɛʁ]), is a French football club based in the commune of Auxerre in Burgundy. The club was founded in 1905 and currently plays in Ligue 1, the first division of French football. Auxerre plays its home matches at the Stade l'Abbé-Deschamps on the banks of the Yonne River. The team is managed by Christophe Pélissier and captained by midfielder Birama Touré.

Auxerre was founded in 1905 and made its debut in the first division of French football in the 1980–81 season and remained a fixture in the league until the 2011–12 season. The club has won the Ligue 1 title once, in the 1995–96 season. Two years prior, Auxerre achieved its first major honour by winning the Coupe de France in 1994. The club has since added three more Coupe de France titles, which ties the club for fifth-best among teams who have won the trophy.

Auxerre has produced several notable players during its existence. The club has most notably served as a springboard for several prominent French football players such as Eric Cantona, Laurent Blanc, Stéphane Guivarc'h, Philippe Mexès, Basile Boli, and Djibril Cissé, among others, who all became French internationals, with Blanc playing on the teams that won the 1998 FIFA World Cup and UEFA Euro 2000. Guivarc'h, Bernard Diomède and Lionel Charbonnier were the three footballers from Auxerre who were world champions in 1998. From 1961 to 2005, the club was predominantly coached by Guy Roux. This included an uninterrupted period when Roux was in charge for 36 years between 1964 and 2000.

The club Association de la Jeunesse Auxerroise was founded in 1905, by the abbot Ernest Abbé Deschamps. The club success, becoming a force in the Catholic league F.G.S.P.F. In 1908, the club even reached the F.G.S.P.F. French Championship final, losing 8–1 however. At the end of the First World War, the club was expelled from its ground. Father Deschamps acquired several pieces of land along the Yonne on the Vaux road, which later formed the Abbé Deschamps Stadium.