| Official Name: | Kowsar Riz |
| Native Name: | كوثرريز |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kerman |
| Subdivision Type2: | County |
| Subdivision Name2: | Rafsanjan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Eslamiyeh |
| Population As Of: | 2006 |
| Population Total: | 1,561 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 30.4228°N 55.8322°W |
Kowsar Riz (Persian: كوثرريز, also Romanized as Kows̄ar Rīz) is a village in Eslamiyeh Rural District, in the Central District of Rafsanjan County, Kerman Province, Iran. At the 2006 census, its population was 1,561, in 350 families.