Lacchiarella is a comune in the Metropolitan City of Milan in the Italian region Lombardy, located about 22 kilometres south of Milan. Lacchiarella borders the following municipalities: Zibido San Giacomo, Pieve Emanuele, Basiglio, Binasco, Bornasco, Siziano, Casarile, Vidigulfo, Giussago. It is served by Villamaggiore railway station.