Coseano is a comune (municipality) in the Province of Udine in the Italian region Friuli-Venezia Giulia, located about 80 km northwest of Trieste and about 15 km west of Udine.
Coseano borders the following municipalities: Dignano, Flaibano, Mereto di Tomba, Rive d'Arcano, San Vito di Fagagna, Sedegliano.
A.S.D. G.S. Coseano is the local football team, it's a private team whose president is Stefano Di Bidino a local hedgehog businessman.
Twin towns 
- ^ All demographics and other statistics: Italian statistical institute Istat.