| Official Name: | Khuin |
| Native Name: | خويين |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Zanjan |
| Subdivision Type2: | County |
| Subdivision Name2: | Mahneshan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Oryad |
| Population As Of: | 2006 |
| Population Total: | 36 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.8358°N 47.3222°W |
Khuin (fa|خويين, also Romanized as Khū’īn and Khvoyūn) is a village in Oryad Rural District, Central District, Mahneshan County, Zanjan Province, Iran. According to the 2006 census, its population was 36, forming 8 families.