Olympique de Marseille (French pronunciation: [ɔlɛ̃pik də maʁsɛj], locally [ɔlɛ̃ˈpikə də maχˈsɛjə]; Occitan: Olimpic de Marselha, pronounced [ulimˈpi de maʀˈsejɔ]), also known as OM (IPA: [o.ɛm], locally [oˈɛmə]) or simply Marseille, is a French professional football club based in Marseille.
Founded in 1899, the club plays in Ligue 1 and have spent most of their history in the top tier of French football. The club has won ten official league titles (nine times in Ligue 1), ten Coupes de France and three Coupes de la Ligue.
In 1993, coach Raymond Goethals led the team to become the first and only French club to win the UEFA Champions League, defeating AC Milan 1–0 in the final. In 2010, Marseille won its first Ligue 1 title in 18 years under the managing of former club captain Didier Deschamps.