| Official Name: | Sihaki |
| Native Name: | سيهكي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sistan and Baluchestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Khash |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Nukabad |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Taftan-e Jonubi |
| Population As Of: | 2006 |
| Population Total: | 64 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 28.6128°N 61.0233°W |
Sihaki (Persian: سيهكي, also Romanized as Sīhakī and Sīḩakī) is a village in Taftan-e Jonubi Rural District, Nukabad District, Khash County, Sistan and Baluchestan Province, Iran. At the 2006 census, its population was 64, in 12 families.