伊胡西是马达加斯加的城市，也是伊霍罗贝区的首府，位于该国中南部，距离首都塔那那利佛616公里，海拔高度730米，居民主要从事农业，人口约17,000。

Ihosy [iˈusʲ] is a city (commune urbaine) with 16990 inhabitants (2004) in Ihorombe Region in central south Madagascar.

Ihosy is the capital of Ihorombe Region, as well as of the district of Ihosy.