| Club: | FC Zürich |
| Season: | 2020–21 |
| Stadium: | Letzigrund |
| League: | Swiss Super League |
| League Result: | 8th |
| Cup1: | Swiss Cup |
| Cup1 Result: | Second round |
| League Topscorer: | Antonio Marchesano (13) |
| Season Topscorer: | Antonio Marchesano (13) |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 FC Zürich season was the club's 125th season in existence and the fourth consecutive season in the top flight of Swiss football. In addition to the domestic league, Zürich participated in this season's edition of the Swiss Cup. The season covered the period from 11 August 2020 to 30 June 2021.
See main article: 2020–21 Swiss Super League.
See main article: 2020–21 Swiss Cup.