San Vero Milis (Sardinian: Sant' Eru) is a comune (municipality) in the Province of Oristano in the Italian region Sardinia, located about 100km northwest of Cagliari and about 13km north of Oristano. As of 31 December 2004, it had a population of 2,506 and an area of 72.2km2. San Vero Milis borders the following municipalities: Baratili San Pietro, Milis, Narbolia, Riola Sardo, Tramatza, Zeddiani.