| Official Name: | Ab Zani |
| Native Name: | آب زني |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kohgiluyeh and Boyer-Ahmad |
| Subdivision Type2: | County |
| Subdivision Name2: | Gachsaran |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Lishtar |
| Population As Of: | 2006 |
| Population Total: | 32 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Ab Zani (Persian: آب زني, also Romanized as Āb Zanī) is a village in Lishtar Rural District, in the Central District of Gachsaran County, Kohgiluyeh and Boyer-Ahmad Province, Iran. At the 2006 census, its population was 32, in 8 families.