| Official Name: | Siah Siah |
| Native Name: | سياه سياه |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kermanshah |
| Subdivision Type2: | County |
| Subdivision Name2: | Gilan-e Gharb |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Vizhenan |
| Population As Of: | 2006 |
| Population Total: | 49 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Siah Siah (Persian: سياه سياه, also Romanized as Sīāh Sīāh) is a village in Vizhenan Rural District, in the Central District of Gilan-e Gharb County, Kermanshah Province, Iran. At the 2006 census, its population was 49, in 10 families.