The 2024–25 Serie D is the seventy-fifth season of the top-level Italian non-professional football championship.
The nine playoff winners for each group will be prioritized to fill any potential Serie C league vacancies.
Two two-legged relegation playoff games (known in Italian as "play-out") will therefore be played between: Two extra times will be played in case of an aggregate draw after the second leg; in case of a further aggregate draw, the worst-placed team will be relegated.
[6] On 30 July 2024, the league committee announced the readmissions of Zenith Prato, Crema, Ciliverghe Mazzano and Cjarlins Muzane to fill the remaining vacancies.
[7] On 16 July 2024, the Serie D football committee announced Alessandria, Amatrice Rieti, Monte Prodeco and Rotonda failed to submit a valid league application in time.