Pessano con Bornago is a comune (municipality) in the Province of Milan in the Italian region Lombardy, located about 20 km northeast of Milan, in an area called Martesana. As of 31 December 2004, it had a population of 8,718 and an area of 6.6 km². Pessano con Bornago borders the following municipalities: Cambiago, Caponago, Gessate, Carugate, Gorgonzola, Bussero.