Furtei is a comune in the Province of South Sardinia in the Italian region Sardinia, located about 40 kilometres northwest of Cagliari and about 4 kilometres east of Sanluri. As of 31 December 2004, it had a population of 1,657 and an area of 26.1 square kilometres.
Furtei borders the following municipalities: Guasila, Samassi, Sanluri, Segariu, Serrenti, Villamar.