2020–21 Arminia Bielefeld season

The 2020–21 Arminia Bielefeld season was the club's 116th season for the German football club Arminia Bielefeld. The season lasted from 1 July 2020 to 30 June 2021.
Competitions.
Bundesliga.
Matches.
The league fixtures were announced on 7 August 2020.
Statistics.
Appearances and goals.
! colspan=14 style=background:#dcdcdc; text-align:center| Goalkeepers
! colspan=14 style=background:#dcdcdc; text-align:center| Defenders
! colspan=14 style=background:#dcdcdc; text-align:center| Midfielders
! colspan=14 style=background:#dcdcdc; text-align:center| Forwards
! colspan=14 style=background:#dcdcdc; text-align:center| Players transferred out during the season