| Official Name: | Darreh-ye Baz |
| Native Name: | دره باز |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Qaen |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Nimbeluk |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Karghond |
| Population As Of: | 2006 |
| Population Total: | 257 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.8789°N 58.6653°W |
Darreh-ye Baz (Persian: دره باز, also Romanized as Darreh-ye Bāz, Darreh Bāz, and Darreh-i-Bāz) is a village in Karghond Rural District, Nimbeluk District, Qaen County, South Khorasan Province, Iran. In the 2006 census, its population is 257, in 68 families.