Ahudasht Rural District () is in the Central District of Karkheh County, Khuzestan province, Iran. Its capital is the village of Mazraeh-ye Yek.
At the National Census of 2006, its population (as a part of Shavur District of Shush County) was 14,846 in 2,254 households. There were 15,733 inhabitants in 3,514 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 16,511 in 4,214 households. The largest of its 42 villages was Dahimi-ye Do, with 1,433 people.
In September 2019, the district was separated from the county, divided into two districts of two rural districts each and two cities (Alvan as the capital and Shavur), and elevated to the status of Karkheh County.