Nurachi is a comune (municipality) in the Province of Oristano in the Italian region Sardinia, located about northwest of Cagliari and about northwest of Oristano. As of 31 December 2004, it had a population of 1,671 and an area of .
Nurachi borders the following municipalities: Baratili San Pietro, Cabras, Oristano, Riola Sardo.