USL Dunkerque, officially Union Sportive du Littoral de Dunkerque, is a professional French football club based in Dunkerque, Hauts-de-France. Founded in 1909, the club is the leading football organisation of the Dunkerque coastal area and has a long-standing role in the sporting life of the region. Its professional team currently competes in Ligue 2 BKT, France's second tier, while the wider organisation includes a reserve team, youth teams and more than 700 registered players. The club plays its home matches at Stade Marcel Tribut on Avenue du Stade in Dunkerque. The stadium is undergoing significant modernisation as part of the club's broader development project, while the club has also established a training centre at Fort Vallières. The new training facilities are intended not only for USL Dunkerque but also to benefit football clubs throughout the Dunkerque area. USL Dunkerque has a strong connection with local football and community development. The club describes itself as more than a football team, aiming to promote educational and moral values and to serve as a unifying organisation for the local population. Its sporting structure includes a reserve side competing in Régional 2 and a U19 team competing in the national federal championship. In recent seasons, the club has strengthened its position in professional French football. Its 2025–26 campaign included another season in Ligue 2 and a historic Coupe de France run, while the club has continued building its sporting and commercial structure. Current club communications show ongoing investment in recruitment, medical support, hospitality, events, corporate partnerships and social-responsibility activities. USL Dunkerque maintains a significant local partner network and operates commercial and hospitality activities around Stade Marcel Tribut. Its organisation includes sporting, performance, medical, commercial, communications, operations and community functions. The club also maintains relationships with several supporter associations, including Allez l'USLD, DK12 Dunkerque and Ultras Dunkerquois. LinkedIn identifies USL Dunkerque as a privately held spectator-sports organisation with 51–200 employees, headquartered in Dunkerque, Hauts-de-France, and founded in 1909. Independent French business and football sources likewise identify the professional club as a SAS/SASP based at Avenue du Stade in Dunkerque.