| Country: | Switzerland |
| Season: | 2020–21 |
| Division1: | Super League |
| Champions1: | Young Boys |
| Division2: | Challenge League |
| Champions2: | Grasshoppers |
| Domestic: | Swiss Cup |
| Dchampions: | Luzern |
| Wdivision1: | Swiss Women's Super League |
| Wchampions1: | Servette Chênois |
| Wdomestic: | Swiss Cup |
| Wdchampions: | Luzern |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
| Flagicon: | yes |
The following is a summary of the 2020–21 season of competitive football in Switzerland.
See main article: 2020–21 UEFA Nations League.
See main article: 2020–21 UEFA Nations League A.
See main article: 2022 FIFA World Cup qualification (UEFA) and 2022 FIFA World Cup qualification.
See main article: UEFA Euro 2020.
See main article: UEFA Women's Euro 2022 qualifying.
See main article: UEFA Women's Euro 2022 qualifying play-offs.
2–2 on aggregate. Switzerland won 3–2 on penalties and qualified for UEFA Women's Euro 2022.
See main article: 2020–21 Swiss Super League.
See main article: 2020–21 Swiss Challenge League.
See main article: 2020–21 Swiss Cup.
See main article: Swiss Women's Super League.
See main article: 2020–21 UEFA Champions League.
See main article: 2020–21 UEFA Champions League qualifying phase and play-off round.
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See main article: 2020–21 UEFA Europa League.
See main article: 2020–21 UEFA Europa League qualifying phase and play-off round.
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See main article: 2020–21 UEFA Europa League group stage.
See main article: 2020–21 UEFA Europa League knockout phase.
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See main article: 2020–21 UEFA Women's Champions League.
See main article: 2020–21 UEFA Women's Champions League knockout phase.
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