| Official Name: | Shirin Bolagh |
| Native Name: | شيرين بلاغ |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Markazi |
| Subdivision Type2: | County |
| Subdivision Name2: | Zarandieh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Rudshur |
| Population As Of: | 2006 |
| Population Total: | 18 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.315°N 50.8306°W |
Shirin Bolagh (Persian: شيرين بلاغ, also Romanized as Shīrīn Bolāgh; also known as Shīrīn Bulāgh) is a village in Rudshur Rural District, in the Central District of Zarandieh County, Markazi Province, Iran. At the 2006 census, its population was 18, in 4 families.