The 1946–47 Serie C was the ninth edition of Serie C, the third highest league in the Italian football league system.
Northern Italy sides were divided in nine rounds (gironi). The winners qualified to a tournament to determine the three teams promoted to 1947–48 Serie B.
Bolzano, Meganta and Vita Nova promoted to 1947–48 Serie B.
Central Italy sides were divided in six rounds (gironi). The winners qualified to a tournament to determine the two teams promoted to 1947–48 Serie B.
Southern Italy sides were divided in three rounds (gironi). The winners and the runners-up qualified to a tournament to determine the sole team promoted to 1947–48 Serie B.