| Official Name: | Owsa |
| Native Name: | Persian: اوسا |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Mazandaran |
| Subdivision Type2: | County |
| Subdivision Name2: | Miandorud |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kuhdasht-e Gharbi |
| Population As Of: | 2006 |
| Population Total: | 669 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.5444°N 53.2569°W |
Owsa (Persian: اوسا), also known as Osā and Osās, is a village in Kuhdasht-e Gharbi Rural District, in the Central District of Miandorud County, Mazandaran Province, Iran.[1] At the 2006 census, its population was 669, in 165 families.