| Poshtkuh Rural District | |
| Native Name: | Persian: دهستان پشتكوه |
| Settlement Type: | Rural District |
| Pushpin Map: | Iran |
| Coordinates: | 31.3153°N 51.1142°W |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Chaharmahal and Bakhtiari |
| Subdivision Type2: | County |
| Subdivision Name2: | Falard |
| Subdivision Type3: | District |
| Subdivision Name3: | Emamzadeh Hasan |
| Seat Type: | Capital |
| Seat: | Darreh Namdari |
| Population Total: | 9081 |
| Population As Of: | 2016 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Poshtkuh Rural District (Persian: دهستان پشتكوه) is in Emamzadeh Hasan District of Falard County, Chaharmahal and Bakhtiari province, Iran.[2] Its capital is the village of Darreh Namdari. The previous capital of the rural district was the village of Qaleh Sukhteh.[3]
At the time of the 2006 National Census, the rural district's population (as a part of the former Falard District of Lordegan County) was 8,569 in 1,783 households.[4] There were 9,575 inhabitants in 2,262 households at the following census of 2011.[5] The 2016 census measured the population of the rural district as 9,081 in 2,468 households. The most populous of its 34 villages was Shah Najaf, with 1,131 people.[6]
In 2022, the district was separated from the county in the establishment of Falard County. The rural district was transferred to the new Emamzadeh Hasan District.[2]