2023–24 CA Osasuna season

The 2023–24 season was CA Osasuna's 104th season in existence and fifth consecutive season in La Liga. They also competed in the Copa del Rey, the Supercopa de España and the UEFA Europa Conference League.

Matches
The league fixtures were unveiled on 22 June 2023.

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