Aviron Bayonnais (In Basque: Baionako Arrauna) is a French rugby union club from Bayonne (Baiona, in Basque) in Pyrénées-Atlantiques that currently competes in the second level of the French league system, in the Rugby Pro D2 competition. In the 2014–15 Top 14 Season they were relegated after finishing 13th.
Founded in 1904, they play at the Parc des Sports also known as Jean Dauger in Bayonne. Their mascot is a pottok pony called pottoka. They have ties to the French Basque community.
The club was established in 1904, making their first final appearance in the 1913 season, where they defeated S.C.U.F. 31-8 at the Stade Yves-du-Manoir. The national domestic championship was replaced by the Coupe de l'Espérance during World War I. The competition was played for four seasons, with Aviron Bayonnais contesting the last final, which they lost to Stadoceste Tarbais 4 to 3.
With the French championship resumed, the club made their next championship game in the 1922 season where they met Toulouse. Aviron Bayonnais lost the final 6 to nil. The two clubs would meet again the next season to again contest the championship final, which Toulouse won again, 3 to nil.
Aviron Bayonnais Football Club (French pronunciation: [a.vi.ʁɔ̃ ba.jɔ.nɛ]; commonly referred to as simply Bayonne) is a French association football club based in Bayonne. The club is a part of a sports club that was formed in 1904 that is also known for its rugby union club. The football club was founded in 1930 and currently play in the Championnat de France amateur, the fourth level of French football. Bayonne plays its home matches at the Stade Didier Deschamps located in the city. It is named after Bayonne native and the 1998 FIFA World Cup and UEFA Euro 2000 winning captain Didier Deschamps, who also played for Marseille and Chelsea.
Aviron is a commune in the Eure department in Haute-Normandie in northern France.