| Official Name: | Yasti Bolagh |
| Native Name: | ياستي بلاغ |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qazvin |
| Subdivision Type2: | County |
| Subdivision Name2: | Avaj |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Abgarm |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Abgarm |
| Population As Of: | 2006 |
| Population Total: | 223 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.6892°N 49.3161°W |
Yasti Bolagh (Persian: ياستي بلاغ, also Romanized as Yāstī Bolāgh and Yasta Bulāgh) is a village in Abgarm Rural District, Abgarm District, Avaj County, Qazvin Province, Iran. At the 2006 census, its population was 223, in 72 families.