Ponna (Comasco: ) is a comune (municipality) in the Province of Como in the Italian region Lombardy, located about north of Milan and about north of Como. As of 31 December 2004, it had a population of 264 and an area of .
Ponna borders the following municipalities: Claino con Osteno, Colonno, Laino, Ossuccio, Porlezza, Sala Comacina.