| Kahnuyeh Rural District | |
| Native Name: | Persian: دهستان کهنویه |
| Native Name Lang: | fa |
| Settlement Type: | Rural District |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Lamerd |
| Subdivision Type3: | District |
| Subdivision Name3: | Alamarvdasht |
| Seat Type: | Capital |
| Seat: | Kahnuyeh |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Kahnuyeh Rural District (Persian: دهستان کهنویه) is in Alamarvdasht District of Lamerd County, Fars province, Iran. Its capital is the village of Kahnuyeh,[2] whose population at the time of the 2016 National Census was 1,540 in 444 households.[3]
Kahnuyeh Rural District was established in Alamarvdasht District after the 2016 census.[2]