Muzzano is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about 60 km northeast of Turin and about 7 km southwest of Biella. As of 31 December 2004, it had a population of 673 and an area of 5.9 km². Muzzano borders the following municipalities: Camburzano, Graglia, Occhieppo Superiore, Sordevolo.