| Official Name: | Khvosh Ab |
| Native Name: | خوشاب |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Bushehr |
| Subdivision Type2: | County |
| Subdivision Name2: | Dashtestan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Howmeh |
| Population As Of: | 2006 |
| Population Total: | 648 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 29.2272°N 51.1206°W |
Khvosh Ab (Persian: خوشاب, also Romanized as Khvosh Āb, Khosh Āb, Khowsh Ab, and Khūsh Āb; also known as Khāshāb) is a village in Howmeh Rural District, in the Central District of Dashtestan County, Bushehr Province, Iran. At the 2006 census, its population was 648, in 150 families.