Pagnacco (Friulian: Pagna) is a comune (municipality) in the Regional decentralization entity of Udine in the Italian region of Friuli-Venezia Giulia, located about 70 kilometres (43 mi) northwest of Trieste and about 7 kilometres (4 mi) northwest of Udine. As of 31 December 2004, it had a population of 4,824 and an area of 14.9 square kilometres (5.8 sq mi).

The municipality of Pagnacco contains the frazioni (boroughs) Castellerio, Fontanabona, Lazzacco, Modoletto, Plaino, and Zampis.

Pagnacco borders the following municipalities: Colloredo di Monte Albano, Martignacco, Moruzzo, Tavagnacco, Tricesimo.

Demographic evolution

Twin towns

Pagnacco is twinned with:

• Celldömölk, Hungary