2020 Hammarby Fotboll season

The 2020 season was Hammarby Fotboll's 105th in existence, their 51st season in Allsvenskan and their 6th consecutive season in the league. They competed in Allsvenskan, Svenska Cupen and Europa League during the year. League play was planned to start in early April, but was postponed until June due to concerns over the coronavirus pandemic. Stefan Billborn made his third season as manager.

Summary
In a season postponed due to the COVID-19 pandemic, the side disappointedly finished 8th in the Allsvenskan table. The club won 3–0 against Puskás Akadémia in the first round of the 2020–21 UEFA Europa League, but was eliminated from the tournament in the second round against Lech Poznań through a 0–3 loss.

Appearances and goals
! colspan=12 style=background:#DCDCDC; text-align:center| Goalkeepers

! colspan=12 style=background:#DCDCDC; text-align:center| Defenders

! colspan=12 style=background:#DCDCDC; text-align:center| Midfielders

! colspan=12 style=background:#DCDCDC; text-align:center| Forwards

! colspan="18" style="background:#dcdcdc; text-align:center"| Players transferred/loaned out during the season

Coaching staff
{|
 * valign="top"|

Matches
Kickoff times are in (UTC+01) unless stated otherwise.

2019–20

 * The tournament continued from the 2019 season.

Kickoff times are in UTC+1.

2020–21

 * The tournament continues into the 2021 season.

UEFA Europa League
Kickoff times are in UTC+1 unless stated otherwise.