Hamidiyeh County () is in Khuzestan province, Iran. Its capital is the city of Hamidiyeh.
After the 2011 National Census, Hamidiyeh District was separated from Ahvaz County in the establishment of Hamidiyeh County, which was divided into two districts of two rural districts each, with Hamidiyeh as its capital and only city.
At the time of the 2016 census, the district's population was 53,762 in 13,598 households.
Hamidiyeh County's population and administrative structure are shown in the following table.