| Official Name: | Dalaku |
| Native Name: | دلكو |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Tabas |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Dastgerdan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Dastgerdan |
| Population As Of: | 2006 |
| Population Total: | 17 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.23°N 56.97°W |
Dalaku (fa|دلكو, also Romanized as Dalakū; also known as Dalakūh) is a village in Dastgerdan Rural District, Dastgerdan District, Tabas County, South Khorasan Province, Iran. At the 2006 census, its population was 17, in 5 families.