Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 28.07.2025 | L. Mbamba-Muanda | Lille | KVC Westerlo | Transfer |
| 24.07.2025 | N. Ngoy | Standard Liege | Lille | Transfer |
| 24.07.2025 | N. Ngoy | — | Lille | Transfer |
| 23.07.2025 | N. Ngoy | Standard Liege | Lille | Transfer |
| 22.07.2025 | N. Ngoy | Standard Liege | Lille | Transfer |
| 17.07.2025 | Félix Correia | — | Lille | Transfer |
| 17.07.2025 | Félix Correia | GIL Vicente | Lille | Transfer |
| 15.07.2025 | Félix Correia | GIL Vicente | Lille | Transfer |
| 13.07.2025 | Y. Khalifi | Lille | Charleroi | Transfer |
| 09.07.2025 | A. Virginius | Lille | BSC Young Boys | Transfer |
| 08.07.2025 | G. Gudmundsson | Lille | Leeds | Transfer |
| 08.07.2025 | A. Virginius | Lille | BSC Young Boys | Transfer |
| 07.07.2025 | G. Gudmundsson | Lille | Leeds | Transfer |
| 04.07.2025 | A. Gomes | Lille | Marseille | Free Transfer |
| 04.07.2025 | J. David | Lille | Juventus | Free Transfer |
| 03.07.2025 | J. David | Lille | Juventus | Free agent |
| 01.07.2025 | A. Ilić | Lille | Union Berlin | Transfer |
| 01.07.2025 | R. Cabella | Lille | Olympiakos Piraeus | Free Transfer |
| 01.07.2025 | A. Bodart | Metz | Lille | Free Transfer |
| 01.07.2025 | O. Touré | — | Lille | Back from Loan |
| 01.07.2025 | M. Bayo | Antwerp | Lille | Back from Loan |
| 01.07.2025 | Lisandru Olmeta | Lille | — | Loan |
| 01.07.2025 | Rafael Fernandes | Rangers | Lille | Back from Loan |
| 01.07.2025 | Tiago Morais | Rio Ave | Lille | Back from Loan |
| 01.07.2025 | T. Dago | Lille | Lille | Back from Loan |
| 01.07.2025 | A. Virginius | BSC Young Boys | Lille | Back from Loan |
| 01.07.2025 | M. Bakker | Lille | Atalanta | Back from Loan |
| 01.07.2025 | V. Burlet | — | Lille | Back from Loan |
| 01.07.2025 | U. Raghouber | — | Lille | Back from Loan |
| 01.07.2025 | O. Giroud | — | Lille | Free Transfer |
| 01.07.2025 | O. Giroud | — | Lille | Free Transfer |
| 01.07.2025 | C. Akpom | Lille | Ajax | Back from Loan |
| 01.07.2025 | A. Ilić | Union Berlin | Lille | N/A |
| 30.06.2025 | M. Broholm | — | Lille | Transfer |
| 30.06.2025 | B. Djitte Cisse | Lille | — | Free agent |
| 30.06.2025 | A. Ilić | Lille | Union Berlin | Transfer |
| 30.06.2025 | A. Gomes | Lille | Marseille | Free agent |
| 29.06.2025 | A. Ilić | Union Berlin | Lille | Return from loan |
| 29.06.2025 | A. Malouda | — | Lille | Return from loan |
| 29.06.2025 | O. Touré | — | Lille | Return from loan |
| 29.06.2025 | V. Burlet | — | Lille | Return from loan |
| 29.06.2025 | U. Raghouber | — | Lille | Return from loan |
| 29.06.2025 | T. Dago | — | Lille | Return from loan |
| 29.06.2025 | I. Ferrah | — | Lille | Return from loan |
| 29.06.2025 | M. Bayo | Antwerp | Lille | Return from loan |
| 18.06.2025 | M. Broholm | — | Lille | Transfer |
| 15.02.2025 | K. Zita | Lille | — | Transfer |
| 06.02.2025 | A. Jakubech | Lille | — | Transfer |
| 04.02.2025 | H. Haraldsson | Lille | — | Transfer |
| 03.02.2025 | H. Haraldsson | — | Lille | Return from loan |