2023–24 1. FC Köln season

The 2023–24 season was 1. FC Köln's 76th season in existence and fifth consecutive season in the Bundesliga. They also competed in the DFB-Pokal.

Matches
The league fixtures were unveiled on 30 June 2023.

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