Lille Olympique Sporting Club (French pronunciation: [lil olepik the word kloeb) also known by the name of LOSC, LOSC Lille or simply Lille, is an French professional football team based within Lille, Hauts-de-France that competes in Ligue 1, the top level in French football. Lille has played fixtures since its 2012 debut at Stade Pierre-Mauroy, the fourth-largest football stadium in France. The stadium's retractable roof capacity is 50,186. has replaced the club's former venue, Stadium Lille Metropole.
Lille was established in the wake of the merger of Olympique Lillois as well as SC Fives in 1944. Both clubs were the first to join the French Division 1 and Olympique Lillois was the first league champions. In the domestic league The club has been awarded four league titles as well as Six Coupes de France and one Trophee of Champions since its inception. For European soccer, Lille played at the UEFA Champions League eight times getting to the knockout phase twice. It also played at the UEFA Europa League on eight occasions, and also won the UEFA Intertoto Cup in 2004 after finishing runners-up in 2002.
The club's most prosperous period was from 1946 until 1956, during the postwar period, where the team under the direction of the managers George Berry and Andre Cheuva was awarded seven major awards, including a double League/Cup in 1946. The team was referred to by the name of La Machine de Guerre (French meaning "The War Machine"). The team also won a Double in 2011 it won its fourth league title was won in 2021 and also its debut French super cup in 2021. Lille is the fourth-best French club of the 21st century.
Named Les Dogues (French meaning "The Mastiffs"), the club has a long-running rivalry with the nearby club RC Lens, with whom they compete in each year the Derby du Nord. Lille leads in head-to head match between the two rivals and also in terms of the total number of trophies they have taken home. The club is currently controlled by Luxembourg-based investment firm Merlyn Partners SCSp, it's the fifth most followed French football club in social media.