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.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

[21] The group stage draw was held on 1 October 2020.