| Official Name: | Talkh Ab |
| Native Name: | تلخ اب |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Kazerun |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Kamaraj and Konartakhteh |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kamaraj |
| Population As Of: | 2006 |
| Population Total: | 132 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 29.5156°N 51.5422°W |
Talkh Ab (Persian: تلخ اب, also Romanized as Talkh Āb; also known as Forū Talkhāb and Talkhābād) is a village in Kamaraj Rural District, Kamaraj and Konartakhteh District, Kazerun County, Fars Province, Iran. At the 2006 census, its population was 132, in 24 families.