| Official Name: | Cheshmeh Shirin |
| Native Name: | چشمه شيرين |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Neyriz |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Qatruyeh |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Qatruyeh |
| Population As Of: | 2006 |
| Population Total: | 70 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 29.3742°N 54.8303°W |
Cheshmeh Shirin (Persian: چشمه شيرين, also Romanized as Cheshmeh Shīrīn, Chashmeh Shīrīn, and Cheshmeh-ye Shīrīn) is a village in Qatruyeh Rural District, Qatruyeh District, Neyriz County, Fars Province, Iran. At the 2006 census, its population was 70, in 18 families.