Mereto di Tomba is a comune (municipality) in the Province of Udine in the Italian region Friuli-Venezia Giulia, located about 80 kilometres (50 mi) northwest of Trieste and about 15 kilometres (9 mi) west of Udine.
Mereto di Tomba borders the following municipalities: Basiliano, Codroipo, Coseano, Fagagna, San Vito di Fagagna, Sedegliano and Pasian di Prato.
Mereto di Tomba is twinned with:
Coordinates: 46°3′N 13°2′E / 46.050°N 13.033°E