| Official Name: | Kushk-e Zar |
| Native Name: | كوشك زر |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Alborz |
| Subdivision Type2: | County |
| Subdivision Name2: | Savojbolagh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Chendar |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Chendar |
| Population As Of: | 2006 |
| Population Total: | 495 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Coordinates: | 35.9903°N 50.7628°W |
Kushk-e Zar (Persian: كوشك زر, also Romanized as Kūshk-e Z̄ar, Kashk Zar, Koshgozar, Kūshak Zar, Koshk-e Zar; also known as Koshk-e Zar-e Qadīm) is a village in Chendar Rural District, Chendar District, Savojbolagh County, Alborz Province, Iran. At the 2006 census, its population was 495, in 137 families.