| Official Name: | Siah Siah |
| Native Name: | سياه سياه |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kermanshah |
| Subdivision Type2: | County |
| Subdivision Name2: | Ravansar |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Zalu Ab |
| Population As Of: | 2006 |
| Population Total: | 58 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.595°N 46.62°W |
Siah Siah (Persian: سياه سياه, also Romanized as Sīāh Sīāh; also known as Sīāh Sīāh-e Sanjābī) is a village in Zalu Ab Rural District, in the Central District of Ravansar County, Kermanshah Province, Iran. At the 2006 census, its population was 58, in 11 families.