Magnano in Riviera () 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 northwest of Udine. As of 31 December 2018, it had a population of 2,333 and an area of .
Magnano in Riviera borders the following municipalities: Artegna, Cassacco, Montenars, Tarcento, Treppo Grande.