Qohestan Rural District (Persian: دهستان قهستان) is in Qohestan District of Darmian County, South Khorasan province, Iran.

[4][a] At the time of the 2006 National Census, the rural district's population was 9,849 in 2,819 households.

[7] The 2016 census measured the population of the rural district as 7,084 in 2,136 households.

The most populous of its 41 villages was Khuniksar, with 1,118 people.

This Darmian County location article is a stub.