| Club: | BB Erzurumspor |
| Season: | 2020–21 |
| Chrtitle: | Chairman |
| Chairman: | Hüseyin Üneş |
| Mgrtitle: | Manager |
| Manager: | Mehmet Özdilek (until 30 November 2020) Hüseyin Çimşir (from 2 December 2020 to 21 December 2020) Mesut Bakkal (from 25 December 2020) |
| Stadium: | Kazım Karabekir Stadium |
| League: | Süper Lig |
| League Result: | 18th |
| Cup1: | Turkish Cup |
| Cup1 Result: | Round of 16 |
| League Topscorer: | Ricardo Gomes Oltan Karakullukçu Arvydas Novikovas (4 each) |
| Season Topscorer: | Ricardo Gomes Jugurtha Hamroun Oltan Karakullukçu Arvydas Novikovas (4 each) |
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| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 season is Büyükşehir Belediye Erzurumspor's 16th season in existence and the club's first season back in the top flight of Turkish football. In addition to the domestic league, BB Erzurumspor will participate in this season's edition of the Turkish Cup. The season covers the period from July 2020 to 30 June 2021.
| scope=col | Player | Transferred from | scope=col; style="width: 65px;" | Fee | scope=col | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 15 | TBD |
| scope=col | Player | Transferred to | scope=col; style="width: 65px;" | Fee | scope=col | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 15 | TBD |
See main article: 2020–21 Süper Lig.
See main article: 2020–21 Turkish Cup.