The 2003–04 season was the 75th season in the existence of FC Sochaux-Montbéliard and the club's third consecutive season in the top flight of French football.
In addition to the domestic league, Sochaux participated in this season's editions of the Coupe de France, Coupe de la Ligue, and UEFA Cup.
The season covered the period from 1 July 2003 to 30 June 2004.
[2] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.
Players may hold more than one non-FIFA nationality.