Villanovaforru is a comune (municipality) in the Province of Medio Campidano in the Italian region Sardinia, located about 50 kilometres (31 mi) northwest of Cagliari and about 8 kilometres (5 mi) northwest of Sanluri. As of 31 December 2004, it had a population of 709 and an area of 11.0 square kilometres (4.2 mi2).