2020–21 RC Lens season

The 2020–21 season was the 115th season in the existence of RC Lens and the club's first season back in the top flight of French football. In addition to the domestic league, Lens participated in this season's edition of the Coupe de France. The season covered the period from 1 July 2020 to 30 June 2021.

Matches
The league fixtures were announced on 9 July 2020.

Appearances and goals
! colspan="16" style="background:#dcdcdc; text-align:center"| Goalkeepers

! colspan="16" style="background:#dcdcdc; text-align:center"| Defenders

! colspan="16" style="background:#dcdcdc; text-align:center"| Midfielders

! colspan="16" style="background:#dcdcdc; text-align:center"| Forwards

! colspan="16" style="background:#dcdcdc; text-align:center"| Players transferred out during the season