| Official Name: | Ranjaki |
| Native Name: | رنجكي |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Behbahan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Tashan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Tashan-e Sharqi |
| Population As Of: | 2006 |
| Population Total: | 64 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Ranjaki (Persian: رنجكي, also Romanized as Ranjaḵī) is a village in Tashan-e Sharqi Rural District, Tashan District, Behbahan County, Khuzestan Province, Iran. At the 2006 census, its population was composed of 15 distinct families with 64 individuals in total.