Tâmna
| Tâmna | |
|---|---|
| Saint Nicholas Church in Tâmna | |
| Location in Mehedinți County | |
| Coordinates: 44°34′N 23°1′E / 44.567°N 23.017°E | |
| Country | Romania | 
| County | Mehedinți | 
| Government | |
| • Mayor (2024–2028) | Daniel Ciocîrlan (PSD) | 
| Area | 92.05 km2 (35.54 sq mi) | 
| Elevation | 202 m (663 ft) | 
| Population  (2021-12-01) | 2,881 | 
| • Density | 31/km2 (81/sq mi) | 
| Time zone | EET/EEST (UTC+2/+3) | 
| Postal code | 227470 | 
| Area code | +(40) 252 | 
| Vehicle reg. | MH | 
| Website | primariatamna | 
Tâmna is a commune located in Mehedinți County, Oltenia, Romania. It is composed of eleven villages: Adunații Teiului, Boceni, Colareț, Cremenea, Fața Cremenii, Izvorălu, Manu, Pavăț, Plopi, Tâmna, and Valea Ursului.