Corniglio (Parmigiano: Cornì) is a comune (municipality) in the Province of Parma in the Italian region Emilia-Romagna, located about 100 km west of Bologna and about 40 km southwest of Parma. Corniglio borders the following municipalities: Bagnone, Berceto, Calestano, Filattiera, Langhirano, Monchio delle Corti, Palanzano, Pontremoli, Tizzano Val Parma. It is home to a castle known since 1240. It was built in sandstone by the Rossi family, who held it until the 16th century.