2004–05 Serie C1

It was contested by 19 teams, and U.S. Cremonese won the championship.

It was decided that U.S. Cremonese, A.C. Mantova was promoted to Serie B, and A.S. Andria BAT, F.C.

Vittoria, Calcio Como, A.C. Prato was demoted in Serie C2.

It was decided that Rimini Calcio F.C., U.S. Avellino was promoted to Serie B, and A.C. Reggiana 1919, Benevento Calcio, SPAL 1907, A.S. Sora, A.S.D.

Nuova Vis Pesaro Calcio 2006 was demoted to Serie C2.