| Official Name: | Siah Siah-e Dayar |
| Native Name: | سياه سياه دايار |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kermanshah |
| Subdivision Type2: | County |
| Subdivision Name2: | Kermanshah |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Kuzaran |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Sanjabi |
| Population As Of: | 2006 |
| Population Total: | 139 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.5583°N 46.6131°W |
Siah Siah-e Dayar (Persian: سياه سياه دايار, also Romanized as Sīāh Sīāh-e Dāyār) is a village in Sanjabi Rural District, Kuzaran District, Kermanshah County, Kermanshah Province, Iran. At the 2006 census, its population was 139, in 29 families.