Cheshmeh Sara Rural District () is in the Qarah Quyun District of Showt County, West Azerbaijan province, Iran. Its capital is the village of Mokhur.
In 2007, Showt District was separated from Maku County in the establishment of Showt County, and Cheshmeh Sara Rural District was created in the new Qarah Quyun District.
At the time of the 2011 census, the rural district's population was 6,343 inhabitants in 1,635 households. The 2016 census measured the population of the rural district as 5,431 in 1,600 households. The most populous of its 20 villages was Mokhur, with 2,321 people.