Cadegliano-Viconago is a comune in the Province of Varese in the Italian region Lombardy, located about 60 kilometres northwest of Milan and about 15 kilometres north of Varese, on the border with Switzerland. As of 31 December 2004, it had a population of 1,760 and an area of 10.2 square kilometres. Cadegliano-Viconago borders the following municipalities: Cremenaga, Croglio, Cugliate-Fabiasco, Lavena Ponte Tresa, Marchirolo, Marzio, Monteggio, Montegrino Valtravaglia.