Basiliano (; known until 1923 as Pasian Schiavonesco or Pasian Sclavonesc) 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 southwest of Udine.
Basiliano borders the following municipalities: Campoformido, Codroipo, Fagagna, Lestizza, Martignacco, Mereto di Tomba, Pasian di Prato, Pozzuolo del Friuli.
The municipality is located in the Middle Friuli region, on the high Friulian plain, at an average altitude of 77 meters above sea level, and is approximately 13 km from both Udine and Codroipo.
As of December 31, 2024 foreigners residents in the municipality were , i.e. % of the population. The largest foreign community is that from Albania with 25.9% of all foreigners present in the country, followed by Romania and Tunisia.