The 2020–21 season was the 115th season in the existence of Olympique de Marseille and the club's 25th consecutive season in the top flight of French football. In addition to the domestic league, Marseille participated in this season's editions of the Coupe de France, the Trophée des Champions, and the UEFA Champions League. The season covered the period from 1 July 2020 to 30 June 2021.