| Club: | IFK Göteborg |
| Season: | 2020 |
| Chairman: | Mats Engström |
| Mgrtitle: | Head coach |
| Manager: | Poya Asbaghi (until 3 September) Ferran Sibila (caretaker, 3–11 September) Roland Nilsson (from 11 September) |
| Stadium: | Gamla Ullevi |
| League: | Allsvenskan |
| League Result: | 12th |
| Cup1: | 2019–20 Svenska Cupen |
| Cup1 Result: | Winners |
| Cup2: | 2020–21 UEFA Europa League |
| Cup2 Result: | Second qualifying round |
| League Topscorer: | Patrik Karlsson Lagemyr Tobias Sana (5) |
| Season Topscorer: | Patrik Karlsson Lagemyr Tobias Sana (6) |
| Highest Attendance: | 2,625 vs. IK Sirius (7 March 2020 Svenska Cupen) |
| Lowest Attendance: | 0 (17 matches) |
| Average Attendance: | 0 |
| Largest Win: | 4–0 vs. Östersunds FK (29 November 2020, Allsvenskan) |
| Largest Loss: | 0–4 vs. Hammarby IF (10 September 2020, Allsvenskan) |
| Pattern La1: | _ifkg20h |
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| Prevseason: | 2019 |
| Nextseason: | 2021 |
The 2020 season was IFK Göteborg's 115th in existence, their 88th season in Allsvenskan and their 44th consecutive season in the league. They competed in Allsvenskan, Svenska Cupen and UEFA Europa League. League play started on 14 June and ended on 6 December.
See main article: article and 2020 Allsvenskan.
Kickoff times are in UTC+2 unless stated otherwise.
The tournament continued from the 2019 season.
See main article: article and 2019–20 Svenska Cupen. Kickoff times are in UTC+1 unless stated otherwise.
The tournament continued into the 2021 season.
See main article: article and 2020–21 Svenska Cupen.
See main article: 2020–21 UEFA Europa League.
Kickoff times are in UTC+1 unless stated otherwise.