| Official Name: | Ganjak |
| Native Name: | گنجك |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hormozgan |
| Subdivision Type2: | County |
| Subdivision Name2: | Jask |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Lirdaf |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Piveshk |
| Population As Of: | 2006 |
| Population Total: | 105 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Coordinates: | 25.7417°N 59.2103°W |
Ganjak (Persian: گنجك) is a village in Piveshk Rural District, Lirdaf District, Jask County, Hormozgan Province, Iran. At the 2006 census, its population was 105, in 25 families.