| Official Name: | Gerdab |
| Native Name: | گرداب |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Chadegan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Chenarud |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Chenarud-e Jonubi |
| Population As Of: | 2006 |
| Population Total: | 28 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.5886°N 50.2972°W |
Gerdab (Persian: گرداب, also Romanized as Gerdāb) is a village in Chenarud-e Jonubi Rural District, Chenarud District, Chadegan County, Isfahan Province, Iran. At the 2006 census, its population was 28, in 5 families.