Lozzolo is a comune (municipality) in the Province of Vercelli in the Italian region Piedmont, located about northeast of Turin and about north of Vercelli. As of 31 December 2004, it had a population of 797 and an area of .
Lozzolo borders the following municipalities: Gattinara, Roasio, Serravalle Sesia, Sostegno, and Villa del Bosco.
Lozzolo is twinned with: