Tollegno is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about 60 km northeast of Turin and about 2 km northwest of Biella. As of 31 December 2004, it had a population of 2,678 and an area of 3.4 km². Tollegno borders the following municipalities: Andorno Micca, Biella, Pralungo, Sagliano Micca.