Dionaba
| Dionaba | |
|---|---|
| Commune and town | |
| Coordinates: 16°3′48″N 12°35′42″W / 16.06333°N 12.59500°W | |
| Country | Mauritania | 
| Region | Brakna | 
| Department | Magta-Lahjar | 
| Government | |
| • Mayor | Mohamed Ahid O/ Bouh Mohamed Bowba (PRDS) | 
| Area | |
|  • Total | 393 sq mi (1,018 km2) | 
| Population  (2013) | |
|  • Total | 11,019 | 
| • Density | 28/sq mi (11/km2) | 
| Time zone | UTC+0 (GMT) | 
Dionaba or Djonaba is a town and commune in the Brakna Region of southern Mauritania.
In 2013, it had a population of 11,019.