| Official Name: | Buin-e Olya |
| Native Name: | بوئين عليا |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kurdistan |
| Subdivision Type2: | County |
| Subdivision Name2: | Baneh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Nanur |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Buin |
| Population As Of: | 2006 |
| Population Total: | 354 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.9653°N 46.0175°W |
Buin-e Olya (Persian: بوئين عليا, also Romanized as Bū'īn-e ‘Olyā; also known as Bīān Darreh, Buen, Bū’īn, Bū’īn-e Bālā, Būyen-e Bālā, and Būyen-e ‘Olyā) is a village in Buin Rural District, Nanur District, Baneh County, Kurdistan Province, Iran. At the 2006 census, its population was 354, in 62 families. The village is populated by Kurds.[1]