| Country: | Poland |
| Season: | 2020–21 |
| Division1: | Ekstraklasa |
| Champions1: | Legia Warsaw |
| Division2: | I liga |
| Champions2: | Radomiak Radom |
| Division3: | II liga |
| Champions3: | Górnik Polkowice |
| Domestic: | Polish Cup |
| Dchampions: | Raków Częstochowa |
| Supercup: | Polish SuperCup |
| Schampions: | Cracovia |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
| Flagicon: | no |
The 2020–21 season was the 96th season of competitive football in Poland.
See main article: 2020–21 Ekstraklasa.
See main article: 2020–21 I liga.
See main article: 2020–21 II liga.
See main article: 2020–21 III liga.
See main article: 2020–21 Polish Cup.
See main article: 2020–21 UEFA Champions League.
See main article: 2020–21 UEFA Champions League qualifying phase and play-off round.
|}
|}
See main article: 2020–21 UEFA Europa League.
See main article: 2020–21 UEFA Europa League qualifying phase and play-off round.
|}
|}
|}
|}
See main article: 2020–21 UEFA Europa League group stage.
See main article: 2020–21 UEFA Youth League.
See main article: 2020–21 UEFA Youth League.
|}
See main article: 2020–21 UEFA Women's Champions League.
See main article: 2020–21 UEFA Women's Champions League qualifying rounds.
|}
|}
See main article: 2020–21 UEFA Women's Champions League knockout phase.
|}
See main article: Poland national football team.
See main article: 2020–21 UEFA Nations League A.
See main article: UEFA Euro 2020.
See main article: UEFA Euro 2020 Group E.
See main article: 2022 FIFA World Cup qualification (UEFA).
See main article: 2022 FIFA World Cup qualification – UEFA Group I.
See main article: Poland national under-21 football team.
See main article: 2021 UEFA European Under-21 Championship qualification.
=
See main article: 2021 UEFA European Under-21 Championship qualification Group 5.