| Club: | 1. FC Heidenheim |
| Season: | 2020–21 |
| Chrtitle: | President |
| Chairman: | Klaus Mayer |
| Mgrtitle: | Head coach |
| Manager: | Frank Schmidt |
| Stadium: | Voith-Arena |
| League: | 2. Bundesliga |
| League Result: | 6th |
| Cup1: | DFB-Pokal |
| Cup1 Result: | First round |
| League Topscorer: | Christian Kühlwetter (13 goals) |
| Season Topscorer: | Christian Kühlwetter (13 goals) |
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| Pattern B2: | _molde17h |
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| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 season is 1. FC Heidenheim's 14th season in existence and the club's 7th consecutive season in the second flight of German football. In addition to the domestic league, 1. FC Heidenheim participated in this season's edition of the DFB-Pokal. The season covers the period from 7 July 2020 to 30 June 2021.
| Date | Position | Name | From | Fee | ||
|---|---|---|---|---|---|---|
| 19 July 2020 | DF | Marvin Rittmüller | 1. FC Köln II | Free transfer | [1] | |
| 3 August 2020 | MF | Dženis Burnić | Borussia Dortmund | €500,000 | [2] | |
| 5 August 2020 | MF | Jan Schöppner | SC Verl | Free transfer | [3] | |
| 1 September 2020 | FW | Florian Pick | 1. FC Kaiserslautern | Undisclosed | [4] | |
| 1 September 2020 | FW | Christian Kühlwetter | 1. FC Kaiserslautern | Undisclosed |
| Date | Position | Name | To | Fee | ||
|---|---|---|---|---|---|---|
| 6 July 2020 | DF | Robert Strauß | Retired | [6] | ||
| 6 July 2020 | MF | Maurice Multhaup | VfL Osnabrück | Free transfer | [7] [8] | |
| 6 July 2020 | FW | Andrew Owusu | Sonnenhof Großaspach | Free transfer | [9] [10] | |
| 8 July 2020 | MF | Sebastian Griesbeck | 1. FC Union Berlin | Free transfer | [11] | |
| 8 July 2020 | DF | Timo Beermann | VfL Osnabrück | Free transfer | [12] | |
| 22 July 2020 | MF | Niklas Dorsch | K.A.A. Gent | Undisclosed | [13] [14] | |
| 30 July 2020 | FW | Tim Kleindienst | K.A.A. Gent | Undisclosed | [15] | |
| 6 July 2020 | DF | Arne Feick | Würzburger Kickers | Free transfer | [16] | |
| Date from | Position | Name | To | Date until | ||
|---|---|---|---|---|---|---|
| 7 August 2020 | MF | Gökalp Kilic | SSV Ulm 1846 | 30 June 2021 | [17] | |
| 7 August 2020 | DF | Jonas Brändle | Sonnenhof Großaspach | 30 June 2021 |
See main article: 2020–21 2. Bundesliga.
The league fixtures were announced on 7 August 2020.[18]
See main article: 2020–21 DFB-Pokal.