| Official Name: | Zeydar |
| Native Name: | زيدر |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | North Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Shirvan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Qushkhaneh |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Qushkhaneh-ye Bala |
| Population As Of: | 2006 |
| Population Total: | 727 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.8542°N 57.7653°W |
Zeydar (Persian: زيدر, also Romanized as Zaidar and Zīdar) is a village in Qushkhaneh-ye Bala Rural District, Qushkhaneh District, Shirvan County, North Khorasan Province, Iran. At the 2006 census, its population was 727, in 152 families.
The local language is Turkmen.[1]