| Official Name: | Seyar-e Vosta |
| Native Name: | سيروسطي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Bostanabad |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Tekmeh Dash |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Sahandabad |
| Population As Of: | 2006 |
| Population Total: | 223 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.6058°N 46.7103°W |
Seyar-e Vosta (Persian: سيروسطي, also Romanized as Seyar-e Vosţá; also known as Seyar-e Vasaţ) is a village in Sahandabad Rural District, Tekmeh Dash District, Bostanabad County, East Azerbaijan Province, Iran. At the 2006 census, its population was 223, in 45 families.