| Official Name: | Chahuk |
| Native Name: | چاهوك |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Yazd |
| Subdivision Type2: | County |
| Subdivision Name2: | Taft |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Nir |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Zardeyn |
| Population As Of: | 2006 |
| Population Total: | 411 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 31.4556°N 54.1861°W |
Chahuk (Persian: چاهوك, also Romanized as Chāhūk and Chahook; also known as Chāhok, Chauk, and Chok) is a village in Zardeyn Rural District, Nir District, Taft County, Yazd Province, Iran. At the 2006 census, its population was 411, in 124 families.