| Fecha | Jugador | Coste | País | Edad | Posición | From |
|---|---|---|---|---|---|---|
| 10 Jan 2024 | Malick Fofana | Transfer(€ 17.0 M) | Belgium | 18 | Midfielder | Gent |
| 18 Jan 2024 | Gift Orban | Transfer(€ 12.0 M) | Nigeria | 21 | Attacker | Gent |
| 01 Feb 2024 | Mangala | Loan(€ 11.7 M) | Belgium | 25 | Midfielder | Nottingham Forest |
| 01 Feb 2024 | Saïd Benrahma | Loan(€ 6.0 M) | Algeria | 28 | Attacker | West Ham United |
| 05 Jan 2024 | Adryelson | Transfer(€ 3.6 M) | Brazil | 25 | Defender | Botafogo |
| 05 Jan 2024 | Lucas Perri | Transfer(€ 3.2 M) | Brazil | 26 | Goalkeeper | Botafogo |
| 27 Jan 2024 | Matic | Transfer(€ 2.6 M) | Serbia | 35 | Midfielder | Rennes |
| Fecha | Jugador | Coste | País | Edad | Posición | To |
|---|---|---|---|---|---|---|
| 31 Jan 2024 | Skelly Alvero | Loan(€ 0.2 M) | France | 21 | Midfielder | Werder Bremen |
| 22 Jan 2024 | Diego Moreira | End Of Loan(0) | Portugal | 19 | Attacker | Chelsea |
| 18 Jan 2024 | Mamadou Sarr | loan transfer(0) | France | 18 | Defender | RWD Molenbeek |
| 11 Jan 2024 | Jeffinho | loan transfer(0) | Brazil | 24 | Attacker | Botafogo |
| 09 Jan 2024 | Rémy Riou | Free Transfer(0) | France | 36 | Goalkeeper | Paris FC |
| 04 Jan 2024 | Tino Kadewere | loan transfer(0) | Zimbabwe | 27 | Attacker | Nantes |
| 16 Nov 2023 | Achraf Laâziri | loan transfer(0) | Morocco | 20 | Defender | USL Dunkerque |
