| Club: | Stal Mielec |
| Season: | 2020-21 |
| Chairman: | Bartłomiej Jaskot |
| Manager: | Dariusz Skrzypczak → Leszek Ojrzyński → Włodzimierz Gąsior[1] |
| Mgrtitle: | Manager |
| Stadium: | Stadion Miejski, Mielec |
| League: | Ekstraklasa |
| Cup1: | Polish Cup |
| Cup1 Result: | Round of 32 |
| Largest Loss: | 0–6 v Wisła Kraków[2] (Ekstraklasa) |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
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| Updated: | 19 May 2021 |
In the 2020–21 season, Stal Mielec competed in the Ekstraklasa.[3] Moreover, they participated in the season's Polish Cup edition, since they were eliminated by Piast Gliwice, following a 1–1 draw (3–4 on penalties) in the round of 32.[4]
° symbol applies for players who joined the club in the pre-season term.
See main article: 2020–21 Ekstraklasa.
See main article: 2020–21 Polish Cup.