| Official Name: | Posht Asman |
| Native Name: | پشت اسمان |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Bushehr |
| Subdivision Type2: | County |
| Subdivision Name2: | Deyr |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Howmeh |
| Population As Of: | 2006 |
| Population Total: | 18 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Posht Asman (Persian: پشت اسمان, also Romanized as Posht Āsmān) is a village in Howmeh Rural District, in the Central District of Deyr County, Bushehr Province, Iran. According to the 2006 census, its population was 18 people, comprised in four families.