Casorate may refer to: Casorate Primo, a comune (municipality) in the Province of Pavia in the Italian region of Lombardy, located about 20 km southwest of Milan and about 20 km northwest of Pavia. Casorate Sempione, a comune (municipality) in the Province of Varese in the Italian region of Lombardy, located about 40 km northwest of Milan and about 20 km southwest of Varese.