| Poshtkuh Rural District | |
| Native Name: | Persian: دهستان پشتكوه |
| Settlement Type: | Rural District |
| Pushpin Map: | Iran |
| Coordinates: | 32.0769°N 50.5667°W |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Chaharmahal and Bakhtiari |
| Subdivision Type2: | County |
| Subdivision Name2: | Ardal |
| Subdivision Type3: | District |
| Subdivision Name3: | Central |
| Seat Type: | Capital |
| Seat: | Rostamabad |
| Population Total: | 10933 |
| Population As Of: | 2016 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Poshtkuh Rural District (Persian: دهستان پشتكوه) is in the Central District of Ardal County, Chaharmahal and Bakhtiari province, Iran. Its capital is the village of Rostamabad.[2]
At the time of the 2006 National Census, the rural district's population was 20,878 in 4,468 households.[3] There were 21,395 inhabitants in 5,442 households at the following census of 2011.[4] The 2016 census measured the population of the rural district as 10,933 in 3,083 households. The most populous of its 24 villages was Alikuh, with 2,206 people.[5]