Perfugas is a comune in the Province of Sassari in the Italian region Sardinia, located about 180 kilometres north of Cagliari and about 30 kilometres northeast of Sassari. Perfugas borders the following municipalities: Bortigiadas, Bulzi, Chiaramonti, Erula, Laerru, Martis, Santa Maria Coghinas, Tempio Pausania.