Argegno is a comune (municipality) in the Province of Como in the Italian region Lombardy, located about 50 km north of Milan and about 15 km north of Como. As of 31 December 2004, it had a population of 650 and an area of 4.3 km². Argegno borders the following municipalities: Brienno, Colonno, Dizzasco, Lezzeno, Nesso, Pigra, Schignano.