| Club: | Fortuna Düsseldorf |
| Season: | 2019–20 |
| Chrtitle: | Board Members |
| Chairman: | Thomas Röttgermann (President) Erich Rutemöller Lutz Pfannenstiel |
| Mgrtitle: | Head coach |
| Manager: | Friedhelm Funkel (until 29 January) Uwe Rösler (from 29 January) |
| Stadium: | Merkur Spiel-Arena |
| League: | Bundesliga |
| League Result: | 17th (relegated) |
| Cup1: | DFB-Pokal |
| Cup1 Result: | Quarter-finals |
| League Topscorer: | Rouwen Hennings (15) |
| Season Topscorer: | Rouwen Hennings (19) |
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| Prevseason: | 2018–19 |
| Nextseason: | 2020–21 |
The 2019–20 season was Fortuna Düsseldorf's 121st season in existence and the club's 39th (non-consecutive) season in the top flight of German football. This is their second consecutive season in the Bundesliga. In addition to the domestic league, Fortuna Düsseldorf participated in this season's edition of the DFB-Pokal. The season covered the period from 1 July 2019 to 30 June 2020.
See main article: 2019–20 Bundesliga.
The Bundesliga schedule was announced on 28 June 2019.[1]
See main article: 2019–20 DFB-Pokal.
|-! colspan=14 style=background:#dcdcdc; text-align:center| Goalkeepers|-! colspan=14 style=background:#dcdcdc; text-align:center| Defenders|-! colspan=14 style=background:#dcdcdc; text-align:center| Midfielders|-! colspan=14 style=background:#dcdcdc; text-align:center| Forwards|-! colspan=14 style=background:#dcdcdc; text-align:center| Players transferred out during the season|-