2023–24 Lille OSC season

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.

Matches
The league fixtures were unveiled on 29 June 2023.

Play-off round
The draw for the play-off round was held on 7 August 2023.

Group stage
The draw for the group stage was held on 1 September 2023.

Round of 16
The draw for the round of 16 was held on 23 February 2024.

Quarter-finals
The draw for the quarter-finals was held on 15 March 2024.

Appearances and goals
! 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