| Official Name: | Dowlahtu |
| Native Name: | دۆڵەتوو |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | West Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Sardasht |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Vazineh |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Mamash |
| Established Title: | دۆڵەتوێ مامەشان |
| Population As Of: | 2006 |
| Population Total: | 678 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.3203°N 45.2967°W |
Dowlahtu (fa|دوله تو, also Romanized as Dowlahtū; also known as Dolatū and Dowlatū) is a village of Mamash Tribe Rural District, Vazineh District, Sardasht County, West Azerbaijan Province, Iran. At the 2006 census, its population was 678, in 103 families.