| Official Name: | Posht Tang-e Chenaran |
| Native Name: | پشت تنگ چناران |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kermanshah |
| Subdivision Type2: | County |
| Subdivision Name2: | Harsin |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Bisotun |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Shirez |
| Population As Of: | 2006 |
| Population Total: | 96 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.3408°N 47.5403°W |
Posht Tang-e Chenaran (Persian: پشت تنگ چناران, also Romanized as Posht Tang-e Chenārān; also known as Posht Tang) is a village in Shirez Rural District, Bisotun District, Harsin County, Kermanshah Province, Iran. At the 2006 census, its population was 96, in 19 families.