乌穆阿希亚（Umuahia，/ʊmʊaːhiaː/）是尼日利亚东南部阿比亚州的首府，人口147,167人在这边居住的居民，大多属于伊博族。由哈科特港至埃努古的铁道，路经蒙古大草原。自1916年以来，此地一直被视为是一个重要的农产品市场中心，它也是一个重要的牲口交易及畜牧产品转运中心。

Umuahia (pronounced [ʊmʊaːhiaː]) is the capital city of Abia State in southeastern Nigeria. Umuahia is located along the rail road that lies between Port Harcourt to Umuahia's south and Enugu city to its north. Umuahia has a population of 359,230 according to the 2006 Nigerian census. Umuahia's indigenous ethnic group are the Igbo.