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 men's football club based in Marseille.