Cossogno (Lombard: Cussögn) is a comune (municipality) in the Province of Verbano-Cusio-Ossola in the Italian region Piedmont, located about 130 kilometres (81 mi) northeast of Turin and about 20 kilometres (12 mi) north of Verbania.

Cossogno borders the following municipalities: Malesco, Miazzina, Premosello-Chiovenda, San Bernardino Verbano, Trontano, Valle Cannobina, Verbania. Part of its territory is included in the Val Grande National Park.