Atzara (Sardinian: Atzàra) is a comune (municipality) in the Province of Nuoro in the Italian region Sardinia, located about 90 kilometres (56 mi) north of Cagliari and about 45 kilometres (28 mi) southwest of Nuoro. As of 31 December 2004, it had a population of 1,293 and an area of 35.8 square kilometres (13.8 sq mi).
Located in Barbagia, the original village date back to the years around 1000 and developed near the spring of Bingia de giosso, still existing. The old town centre is divided in the ancient districts of Su Fruscu, Lodine, Montiga e Josso, Montiga e Susu, Sa Cora Manna, Su Cuccuru de Santu Giorgi and Tzùri. It was part of the Giudicato of Arborea.