Dogna (; ) is a (municipality) in the Regional decentralization entity of Udine in the Italian region of Friuli-Venezia Giulia, located about northwest of Trieste and about north of Udine. , it had a population of 235 and an area of .
Dogna borders the following municipalities: Chiusaforte, Malborghetto Valbruna, Moggio Udinese, Pontebba.