Asnan, Iran
| Asnan اسنان | |
|---|---|
| village | |
| Coordinates: 33°16′49″N 59°34′47″E / 33.28028°N 59.57972°E | |
| Country | Iran | 
| Province | South Khorasan | 
| County | Birjand | 
| Bakhsh | Central | 
| Rural District | Shakhenat | 
| Population  (2006) | |
|  • Total | 298 | 
| Time zone | UTC+3:30 (IRST) | 
| • Summer (DST) | UTC+4:30 (IRDT) | 
Asnan (Persian: اسنان, also Romanized as Asnān and Esnān; also known as Īsnu) is a village in Shakhenat Rural District, in the Central District of Birjand County, South Khorasan Province, Iran. At the 2006 census, its population was 298, in 87 families.