The 2003–04 season was the 37th season in the existence of AS Nancy Lorraine and the club's fourth consecutive season in the second division of French football.
In addition to the domestic league, AS Nancy Lorraine participated in this season's editions of the Coupe de France and the Coupe de la Ligue.
Win Draw Loss Last updated: 22 May 2004 Source: Competitions Last updated: 22 May 2004.
Source: Ligue 2