| Bahna | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Mehedinți County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Podeni, Moisești, Bahna, Ilovița |
| Mouth: | Danube |
| Mouth Coordinates: | 44.7206°N 22.4726°W |
| Tributaries Right: | Cămana, Racovăț, Tarova |
The Bahna is a small left tributary of the river Danube in Romania. It discharges into the Danube near Ilovița.[1] Its length is 35km (22miles) and its basin size is 137km2.