Lacchiarella ( ) is a comune (municipality) located in the Metropolitan City of Milan, which is in the italian region of Lombardy, and situated about south of Milan.
Lacchiarella borders the following municipalities: Zibido San Giacomo, Pieve Emanuele, Basiglio, Binasco, Bornasco, Siziano, Casarile, Vidigulfo, Giussago.