| Official Name: | Kahan |
| Native Name: | كاهان |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Khoshab |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Meshkan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Yam |
| Population As Of: | 2006 |
| Population Total: | 260 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.7897°N 58.1694°W |
Kahan (Persian: كاهان, also Romanized as Kāhān; also known as Kāhān-e Bālā (Persian: كاهان بالا) and Kāhān-e ‘Olyā) is a village in Yam Rural District, Meshkan District, Khoshab County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 260, in 69 families.