| Club: | Fenerbahçe |
| Season: | 2020–21 |
| Chrtitle: | President |
| Chairman: | Ali Koç |
| Mgrtitle: | Head coach |
| Manager: | Igor Kokoškov |
| Stadium: | Ülker Sports and Event Hall |
| League Result: | 2nd seed |
| Playoffs Result: | Runners-up |
| League2: | EuroLeague |
| League2 Result: | 7th seed |
| Playoffs2 Result: | Quarterfinals |
| Pir Leader: | de Colo |
| Pir N: | FRA |
| Pir: | 18.6 |
| Top Scorer: | de Colo |
| Ppg N: | FRA |
| Ppg: | 18.1 |
| Rebounds Leader: | O'Quinn |
| Rpg N: | USA |
| Rpg: | 6.0 |
| Assists Leader: | de Colo |
| Apg N: | FRA |
| Apg: | 5.5 |
| H Body: | ffff00 |
| H Pattern B: | _fenerbahcebeko2021h |
| H Shorts: | ffff00 |
| H Pattern S: | _fenerbahcebeko2021h |
| A Body: | 000030 |
| A Pattern B: | _fenerbahcebeko2021a |
| A Shorts: | 000030 |
| A Pattern S: | _fenerbahcebeko2021a |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 season was Fenerbahçe's 107th season in the existence of the club. The team played in the Basketball Super League and in the Euroleague.
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See main article: 2020–21 Basketbol Süper Ligi.
See main article: 2020–21 EuroLeague.
See main article: article and 2021 EuroLeague Playoffs.
| Player | Left during season |
| Player | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 37 | 12 | 22:59 | .470 | .327 | .804 | |||||||
| 7 | 0 | 7:37 | .500 | .000 | .000 | |||||||
| 21 | 21 | 25:46 | .489 | .417 | .844 | |||||||
| 28 | 5 | 13:40 | .564 | .328 | .857 | |||||||
| 15 | 2 | 15:38 | .589 | .444 | .833 | |||||||
| 16 | 2 | 9:22 | .545 | .389 | .667 | |||||||
| 32 | 31 | 27:30 | .585 | .403 | .936 | |||||||
| 36 | 6 | 24:10 | .614 | .417 | .880 | |||||||
| 29 | 18 | 21:49 | .578 | .412 | .884 | |||||||
| 31 | 31 | 28:08 | .676 | .000 | .766 | |||||||
| 10 | 0 | 5:47 | .444 | .333 | .333 | |||||||
| 32 | 0 | 16:59 | .500 | .449 | .905 | |||||||
| 2 | 0 | 1: 04 | .000 | .000 | .000 | |||||||
| 17 | 3 | 15:01 | .464 | .442 | .800 | |||||||
| 30 | 23 | 11:31 | .701 | .000 | .516 | |||||||
| 28 | 28 | 19:34 | .516 | .400 | .722 | |||||||
| 13 | 0 | 6:54 | .333 | .000 | .500 | |||||||
| 9 | 3 | 16:00 | .438 | .450 | 1.000 | |||||||