阿苏尼（意大利语：Asuni），是意大利奥里斯塔诺省的一个市镇。总面积21.2平方公里，人口368人，人口密度17.4人/平方公里（2009年）。ISTAT代码为095009。

Asuni (Sardinian:Asùni) is a comune (municipality) in the Province of Oristano in the Italian region Sardinia, located about 70 kilometres (43 mi) north of Cagliari and about 30 kilometres (19 mi) east of Oristano. As of 31 December 2004, it had a population of 416 and an area of 21.2 square kilometres (8.2 sq mi).