2004–05 Olympique Lyonnais season

The 2004–05 season was the 106th season in the existence of Olympique Lyonnais and the club's 16th consecutive season in the top flight of French football. They participated in the Ligue 1, the Coupe de France, the Coupe de la Ligue, the Trophée des Champions and UEFA Champions League.

First-team squad

 * Squad at end of season