| Official Name: | Siah Afshar |
| Native Name: | سياه افشار |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Falavarjan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Pir Bakran |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Garkan-e Shomali |
| Population As Of: | 2006 |
| Population Total: | 1,261 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.4992°N 51.5661°W |
Siah Afshar (Persian: سياه افشار, also Romanized as Sīāh Afshār; also known as Seyāfshād, Sīā Afshār, and Sīāfshū) is a village in Garkan-e Shomali Rural District, Pir Bakran District, Falavarjan County, Isfahan Province, Iran. At the 2006 census, its population was 1,261, in 353 families.