Zayandeh Rud-e Jonubi Rural District should not be confused with Zayandeh Rud-e Shomali Rural District.
| Zayandeh Rud-e Jonubi Rural District | |
| Native Name: | Persian: دهستان زاينده رود جنوبي |
| Settlement Type: | Rural District |
| Pushpin Map: | Iran |
| Coordinates: | 32.6706°N 50.5114°W |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Chaharmahal and Bakhtiari |
| Subdivision Type2: | County |
| Subdivision Name2: | Ben |
| Subdivision Type3: | District |
| Subdivision Name3: | Sheyda |
| Seat Type: | Capital |
| Seat: | Azadegan |
| Population Total: | 1161 |
| Population As Of: | 2016 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Zayandeh Rud-e Jonubi Rural District (Persian: دهستان زاينده رود جنوبي) is in Sheyda District of Ben County, Chaharmahal and Bakhtiari province, Iran. Its capital is the village of Azadegan. The previous capital of the rural district was the village of Heydari.[2]
At the time of the 2006 National Census, the rural district's population (as a part of the former Ben District of Shahrekord County) was 5,018 in 1,247 households.[3] There were 4,833 inhabitants in 1,431 households at the following census of 2011.[4] The 2016 census measured the population of the rural district as 1,161 in 240 households, by which time the district had been separated from the county in the establishment of Ben County. The rural district was transferred to the new Sheyda District.[2] The most populous of its three villages was Azadegan, with 789 people.[5]