The 2023–24 season was the 99th in the history of Ternana Calcio and the fourth consecutive since their promotion from Serie C in 2020. Ternana participated in the Serie B and the Coppa Italia.
Squad
Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
Source: Soccerway (in English) Rules for classification: 1) Points; 2) Head-to-head points; 3) Head-to-head goal difference; 4) Goal difference; 5) Goals scored; 6) Draw. (Note: Head-to-head record is used only after all the matches between the teams in question have been played)[11] (O) Play-off winners; (R) Relegated Notes:
^Pisa finished ahead of Cittadella on head-to-head points: Pisa 2–1 Cittadella, Cittadella 0–1 Pisa.
^ abBari finished ahead of Ascoli on head-to-head points: Bari 1–0 Ascoli, Ascoli 2–2 Bari.