| Club: | FC Nantes |
| Season: | 2020–21 |
| Ownertitle: | Owner |
| Owner: | Waldemar Kita |
| Chrtitle: | President |
| Chairman: | Waldemar Kita |
| Mgrtitle: | Head coach |
| Manager: | Christian Gourcuff (until 8 December) Patrick Collot (caretaker, from 8 December) Raymond Domenech (from 26 December to 11 February) Antoine Kombouaré (from 11 February) |
| Stadium: | Stade de la Beaujoire |
| League: | Ligue 1 |
| League Result: | 18th (play-off winners) |
| Cup1 Result: | Round of 64 |
| League Topscorer: | Ludovic Blas (10) |
| Season Topscorer: | Ludovic Blas (11) |
| Largest Win: | Dijon 0–4 Nantes |
| Largest Loss: | Nantes 0–4 Strasbourg |
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| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 season was the 77th season in the existence of FC Nantes and the club's 8th consecutive season in the top flight of French football. In addition to the domestic league, Nantes participated in this season's edition of the Coupe de France. The season covered the period from 1 July 2020 to 30 June 2021.
| scope=col | Player | Transferred from | scope=col; style="width: 65px;" | Fee | scope=col | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 5 | Liverpool | Free | [2] | |||||||
| 27 |  Levante | €5M | [3] | |||||||
| 20 | RB Leipzig | Free | [4] |
| scope=col | Player | Transferred to | scope=col; style="width: 65px;" | Fee | scope=col | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 10 |  Pyramids | Loan return | [5] |
See main article: 2020–21 Ligue 1.
The league fixtures were announced on 9 July 2020.[6]
See main article: 2020–21 Coupe de France.
| width=15 | width=15 | width=15 | width=15 | width=145 | Name | width=120 | Ligue 1 | width=120 | Coupe de France | width=120 | Total | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | MF |  | Ludovic Blas | 4 | 0 | 4 | ||||||||
| 2 | 26 | MF | | Imran Louza | 2 | 0 | 2 | ||||||||
| 15 | FW | | Randal Kolo | 2 | 0 | 2 | |||||||||
| 32 | FW | | Kader Bamba | 2 | 0 | 2 | |||||||||
| 5 | 3 | DF |  | Andrei Girotto | 1 | 0 | 1 | ||||||||
| 19 | MF | | Abdoulaye Touré | 1 | 0 | 1 | |||||||||
| 27 | MF |  | Moses Simon | 1 | 0 | 1 | |||||||||
| 28 | FW |  | Renaud Emond | 1 | 0 | 1 | |||||||||
| Totals | 14 | 0 | 14 | ||||||||||||