The 2020–21 season was FC Rostov's 91st season in existence and the club's 12th consecutive season in the top flight of Russian football. In addition to the domestic league, Rostov participated in this season's editions of the and the UEFA Europa League. The season covers the period from 1 August 2020 to 30 June 2021. Rostov finished the season in 9th place, reached the Round of 16 of the Russian Cup and where knocked out of the UEFA Europa League at the third round stage.