阿瓦士（波斯语：اهواز）是伊朗胡齐斯坦省中部的一座城市，位于كارون河的岸边。阿瓦士的新区，行政和工业中心建在كارون河的右岸；居民区位于老城区，在河的左岸。阿瓦士是该省的最大城市。2005年估计大约有890,000居民。

Ahvaz (Persian:اهواز Ahvāz‎‎, Khuzestani Arabic: أهواز Aẖwaz) is a city in the south of Iran. At the 2011 census, its population was 1,112,021 and its built-up (or metro) area with Sheybany was home to 1,136,989 inhabitants. Ahvaz has the world's worst air pollution according to a survey by the World Health Organization in 2011.