LOSC Lille Yth.: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-07-01 | Soriba Diaoune | LOSC Lille Yth. | LOSC Lille U17 | — |
| 2022-07-01 | Ayyoub Bouaddi | LOSC Lille Yth. | LOSC Lille U17 | — |
| 2021-07-01 | Ayyoub Bouaddi | Creil Youth | LOSC Lille Yth. | Free |
| 2021-07-01 | Amine Messoussa | LOSC Lille Yth. | LOSC Lille U19 | — |
| 2021-07-01 | Abdelmajid Djae | LOSC Lille Yth. | LOSC Lille U17 | — |
| 2020-07-01 | Ousmane Touré | LOSC Lille Yth. | LOSC Lille U17 | — |
| 2020-07-01 | Matias Fernandez-Pardo | LOSC Lille Yth. | KAA Gent Youth | Free |
| 2020-07-01 | Leny Yoro | LOSC Lille Yth. | LOSC Lille U17 | — |
| 2020-07-01 | Carmel Mabanza | LOSC Lille Yth. | LOSC Lille U19 | — |
| 2020-07-01 | Abdelmajid Djae | FC Bourget Jgd. | LOSC Lille Yth. | — |
| 2019-07-01 | Nathan Buayi-Kiala | LOSC Lille Yth. | LOSC Lille U17 | — |
| 2019-07-01 | Justin Kalumba | LOSC Lille Yth. | LOSC Lille U17 | — |
| 2019-07-01 | Baptiste Rolland | LOSC Lille Yth. | LOSC Lille U19 | — |
| 2019-07-01 | Badredine Bouanani | LOSC Lille Yth. | LOSC Lille U17 | — |
| 2018-07-01 | Rocco Ascone | LOSC Lille Yth. | LOSC Lille U17 | — |
| 2018-07-01 | Carmel Mabanza | Créteil Youth | LOSC Lille Yth. | — |
| 2017-08-01 | Ibrahim Karamoko | LOSC Lille Yth. | Chievo U17 | — |
| 2017-07-01 | Ismaël Doukouré | LOSC Lille Yth. | VAFC Yth. | Free |
| 2016-07-01 | Nikoloz Kutateladze | LOSC Lille Yth. | Paris SG U17 | Free |
| 2016-07-01 | Lucas Chevalier | LOSC Lille Yth. | LOSC Lille U17 | — |