| Official Name: | Khani Ab |
| Native Name: | خاني اب |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Firuzabad |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Jaydasht |
| Population As Of: | 2006 |
| Population Total: | 37 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 28.6022°N 52.5897°W |
Khani Ab (Persian: خاني اب, also Romanized as Khānī Āb) is a village in Jaydasht Rural District, in the Central District of Firuzabad County, Fars Province, Iran. At the 2006 census, its population was 37, in 14 families.