Rivignano is a comune (municipality) in the Province of Udine in the Italian region Friuli-Venezia Giulia, located about 70 kilometres (43mi) northwest of Trieste and about 25 kilometres (16mi) southwest of Udine. As of 31 December 2004, it had a population of 4,269 and an area of 30.5 square kilometres (11.8sqmi).