| Official Name: | Kahnow |
| Native Name: | كهنو |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Nehbandan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Neh |
| Population As Of: | 2006 |
| Population Total: | 235 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 31.4567°N 60.3731°W |
Kahnow (Persian: كهنو, also Romanized as Kahnow, Kahnoo, and Kahnū; also known as Kahnūk) is a village in Neh Rural District, in the Central District of Nehbandan County, South Khorasan Province, Iran. At the 2006 census, its population was 235, in 51 families.