Miagliano is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about 70 km northeast of Turin and about 4 km northeast of Biella. As of 31 December 2004, it had a population of 631 and an area of 0.7 km². Miagliano borders the following municipalities: Andorno Micca, Sagliano Micca.