2020–21 ATK Mohun Bagan FC season
| 2020–21 season | |
|---|---|
| Head coach | Antonio López Habas |
| Stadium | Fatorda Stadium (for 2020–21 season only)[a] |
| Indian Super League | 2nd |
| ISL Play-offs | Runners-up |
| AFC Cup | Inter-zone play-off semi-finals ( moved to 2021–22 due to schedule delays) |
| Top goalscorer | League: Roy Krishna (14) All: Roy Krishna (14) |
| Average home league attendance |
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