Serrenti is a town and comune located in the Province of Medio Campidano within the autonomous island region of Sardinia, Italy. It is situated approximately 35 kilometres (22 mi) northwest of the regional capital, Cagliari, and about 9 kilometres (6 mi) southeast of Sanluri.
The municipality has a population of 4,425 inhabitants. It serves as a local administrative center within its province on the island of Sardinia.