Masjed Soleyman County (Persian: شهرستان مسجد سلیمان) is in Khuzestan province, Iran.

The village of Golgir was elevated to the status of a city as well.

[7] The 2016 census measured the population of the county as 113,419 in 30,115 households.

[2] Masjed Soleyman County's population history and administrative structure over three consecutive censuses are shown in the following table.

Media related to Masjed Soleyman County at Wikimedia Commons