| Official Name: | Gerdab-e Olya |
| Native Name: | گرداب عليا |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kohgiluyeh and Boyer-Ahmad |
| Subdivision Type2: | County |
| Subdivision Name2: | Landeh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Mugarmun |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Vahdat |
| Population As Of: | 2006 |
| Population Total: | 68 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 31.0442°N 50.4553°W |
Gerdab-e Olya (Persian: گرداب عليا, also Romanized as Gerdāb-e ‘Olyā; also known as Gerdāb and Gerdāb Bālā) is a village in Vahdat Rural District, Mugarmun District, Landeh County, Kohgiluyeh and Boyer-Ahmad Province, Iran. At the 2006 census, its population was 68, in 14 families.