| Official Name: | Chah Murtuni |
| Native Name: | چاه مورتوني |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Yazd |
| Subdivision Type2: | County |
| Subdivision Name2: | Mehriz |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Khvormiz |
| Population As Of: | 2006 |
| Population Total: | 19 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 31.4381°N 54.49°W |
Chah Murtuni (fa|چاه مورتوني, also Romanized as Chāh Mūrtūnī; also known as Chāh-i-Mortuni, Chāh Morten, Chāh Mūrtīn, and Chāh Mūrtīnī) is a village in Khvormiz Rural District, in the Central District of Mehriz County, Yazd Province, Iran. At the 2006 census, its population was 19, in 8 families.