Sagama () is a comune (municipality) in the Province of Oristano in the Italian region Sardinia, located about northwest of Cagliari and about north of Oristano. As of 31 December 2004, it had a population of 201 and an area of .
Sagama borders the following municipalities: Flussio, Scano di Montiferro, Sindia, Suni, Tinnura.