| Official Name: | Harjab |
| Native Name: | هرجاب |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Alborz |
| Subdivision Type2: | County |
| Subdivision Name2: | Savojbolagh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Chendar |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Chendar |
| Population As Of: | 2006 |
| Population Total: | 91 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Coordinates: | 35.9828°N 50.8344°W |
Harjab (fa|هرجاب, also Romanized as Harjāb) is a village in Chendar Rural District, Chendar District, Savojbolagh County, Alborz Province, Iran. At the 2006 census, its population was 91, in 24 families.