2020–21 Gençlerbirliği S.K. season

The 2020–21 season was the 98th season of Gençlerbirliği S.K. in existence and the club's second consecutive season in the top flight of Turkish football. In addition to the domestic league, Gençlerbirliği participated in the season's edition of the Turkish Cup. The season covers the period from July 2020 to 30 June 2021.

Results by round
Note: Since the league has been expanded to 21 teams each team will earn a bye twice this season.

Appearances and goals
Players with no appearances not included in the list.