Castelnuovo Rangone (Modenese: Castelnôv) is a comune (municipality) in the Province of Modena in the Italian region Emilia-Romagna, located about 40 km west of Bologna and about 13 km south of Modena. The most important economic activity is the production and treatment of pork. Castelnuovo Rangone includes the following frazioni: Balugola, Cavidole, Montale Rangone, San Lorenzo, Settecani, Ca' Bergomi, Gualinga, Castello, Oratorio di Sant'Anna, Santa Lucia.