Ternate () is a comune (municipality) in the Province of Varese in the Italian region Lombardy, located about northwest of Milan and about southwest of Varese. As of 31 December 2004, it had a population of 2,270 and an area of .
Ternate borders the following municipalities: Biandronno, Cazzago Brabbia, Comabbio, Inarzo, Travedona-Monate, Varano Borghi.