| Official Name: | Kahnaviyeh-ye Olya va Sofla |
| Native Name: | كهنويه علياوسفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Nain |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kuhestan |
| Population As Of: | 2006 |
| Population Total: | 10 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.8017°N 52.8264°W |
Kahnaviyeh-ye Olya va Sofla (Persian: كهنويه علياوسفلي, also Romanized as Kahnavīyeh-ye ‘Olyā va Soflá; also known as Kahnavīyeh and Kahnū’īyeh) is a village in Kuhestan Rural District, in the Central District of Nain County, Isfahan Province, Iran. At the 2006 census, its population was 10, in 4 families.