| Official Name: | Janbolaq |
| Native Name: | جنبلاق |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Borujerd |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Darreh Seydi |
| Population As Of: | 2006 |
| Population Total: | 81 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.9919°N 48.8356°W |
Janbolaq (Persian: جنبلاق, also Romanized as Janbolāq, Chāh Bolāgh, Jāh Bolāgh, Jān Bolāgh, Jenbolāq, and Jinbulāgh) is a village and commercial hub in Darreh Seydi Rural District, in the Central District of Borujerd County, Lorestan Province, Iran. At the 2006 census, its population was 81, in 24 families.