| Club: | Lille OSC |
| Season: | 2023–24 |
| Chrtitle: | President |
| Chairman: | Olivier Létang |
| Mgrtitle: | Head coach |
| Manager: | Paulo Fonseca |
| Stadium: | Stade Pierre-Mauroy |
| League: | Ligue 1 |
| League Result: | 4th |
| Cup1: | Coupe de France |
| Cup1 Result: | Round of 16 |
| Cup2: | UEFA Europa Conference League |
| Cup2 Result: | Quarter-finals |
| League Topscorer: | Jonathan David (19) |
| Season Topscorer: | Jonathan David (26) |
| Pattern La1: | _lille2324h |
| Pattern B1: | _lille2324h |
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| Prevseason: | 2022–23 |
| Nextseason: | 2024–25 |
The 2023–24 season was Lille Olympique Sporting Club' 80th season in existence and 24th consecutive season in Ligue 1. They also competed in the Coupe de France and the UEFA Europa Conference League.
| Player | Transferred from | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
| Estoril | €6,500,000 | [2] | ||||
| Copenhagen | €15,000,000 | [3] | ||||
| Barcelona | Free | [4] | ||||
| Gimnasia y Esgrima | €6,000,000 | [5] | ||||
| Fulham | Undisclosed | [6] | ||||
| Angers | €4,500,000 | [7] | ||||
| Lorient | €200,000 | [8] |
| Player | Transferred to | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
| Celta Vigo | Free | [9] | ||||
| Salernitana | Free | [10] | ||||
| Braga | Free | |||||
| Juventus | €11,300,000 | [11] | ||||
| Brest | Contract termination | [12] | ||||
| Le Mans | Loan | [13] | ||||
| Brighton & Hove Albion | €27,000,000 | [14] | ||||
| Le Havre | Loan | [15] |
See main article: 2023–24 Ligue 1.
The league fixtures were unveiled on 29 June 2023.[16]
See main article: 2023–24 Coupe de France.
See main article: 2023–24 UEFA Europa Conference League.
The draw for the play-off round was held on 7 August 2023.
The draw for the group stage was held on 1 September 2023.
See main article: 2023–24 UEFA Europa Conference League knockout phase.
The draw for the round of 16 was held on 23 February 2024.
The draw for the quarter-finals was held on 15 March 2024.
|-! 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