Original Adidas football shirt Olympique Marseille 2009/10

The 2009–10 season of Olympique de Marseille (OM) had the club being involved in five competitions: the Ligue 1, the Coupe de France, the Coupe de la Ligue, the UEFA Champions League, and the UEFA Europa League. They won the Ligue 1 for the first time in 18 years. They also won the Coupe de la Ligue. In the UEFA Champions League, they were eliminated in the group stage. They finished third and were given a place in the UEFA Europa League knockout stages. They were eliminated in the round of 16 by Benfica.