Visco () 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 southeast of Udine. As of 31 December 2004, it had a population of 723 and an area of .
Visco borders the following municipalities: Aiello del Friuli, Bagnaria Arsa, Palmanova, San Vito al Torre.