| 2021 season | ||||
|---|---|---|---|---|
| Chairman | Richard von Yxkull | |||
| Head coach | Stefan Billborn (until 11 June 2021) Miloš Milojević (from 13 June 2021) | |||
| Stadium | Tele2 Arena | |||
| Allsvenskan | 5th | |||
| 2020–21 Svenska Cupen | Winners | |||
| Conference League | Play-off round | |||
| Top goalscorer | League: Gustav Ludwigson (11) All: Gustav Ludwigson (14) | |||
| Highest home attendance | 29,317 (17 October vs AIK, Allsvenskan) | |||
| ||||
The 2021 season was Hammarby Fotboll's 106th in existence, their 52nd season in Allsvenskan and their 7th consecutive season in the league. They competed in Allsvenskan, Svenska Cupen and Conference League during the year. League play started in April, initially behind closed doors due to the coronavirus pandemic. Stefan Billborn made his fourth season as manager, but was sacked after eight rounds and replaced by Miloš Milojević.