| Club: | Fatih Karagümrük S.K. |
| Season: | 2020–21 |
| Ownertitle: | Owner |
| Owner: | Süleyman Hurma |
| Chrtitle: | Chairman |
| Chairman: | Süleyman Hurma |
| Mgrtitle: | Manager |
| Manager: | Şenol Can (until 15 March) Francesco Farioli (from 21 March) |
| Stadium: | Atatürk Olympic Stadium |
| League: | Süper Lig |
| League Result: | 8th |
| Cup1: | Turkish Cup |
| Cup1 Result: | Fourth round |
| League Topscorer: | Alassane Ndao (11) |
| Season Topscorer: | Alassane Ndao (11) |
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| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 season was Fatih Karagümrük S.K.'s 95th season in existence and the club's first season back in the top flight of Turkish football following promotion from the TFF First League. In addition to the domestic league, Fatih Karagümrük S.K. 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.