2023–24 1. FSV Mainz 05 season

The 2023–24 season was 1. FSV Mainz 05's 119th season in existence and 15th consecutive season in the Bundesliga. They also competed in the DFB-Pokal.

Matches
The league fixtures were unveiled on 30 June 2023.

Squad 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 who made an appearance this season but left the club


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