Mortegliano is a comune (municipality) in the Regional decentralization entity of Udine in the Italian region of Friuli-Venezia Giulia, located about 60 km northwest of Trieste and about 14 km southwest of Udine. Mortegliano borders the following municipalities: Bicinicco, Castions di Strada, Lestizza, Pavia di Udine, Pozzuolo del Friuli, Talmassons. The tallest campanile, or free-standing bell tower, in the world at 113.2 m high, is the Mortegliano Bell Tower.

Sport

Chiasiellis, a women's football club that has played in the top flight several times, is based in the hamlet of the same name. There is also a men's football club, the A.S.D. Lavarian Mortean, currently playing in Promotion. In 2024 it was the starting point of the 19th stage (Mortegliano - Sappada) of the Giro d'Italia ed. 107.

Twin towns

Mortegliano is twinned with: