| Official Name: | Cham-e Zir |
| Native Name: | چم زير |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Marvdasht |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Kamfiruz |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kamfiruz-e Shomali |
| Population As Of: | 2006 |
| Population Total: | 389 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 30.4619°N 52.1064°W |
Cham-e Zir (Persian: چم زير, also Romanized as Cham-e Zīr; also known as Cham-e Rīz and Chamrīz) is a village in Kamfiruz-e Shomali Rural District, Kamfiruz District, Marvdasht County, Fars Province, Iran. At the 2006 census, its population was 389, in 79 families.