| Teșna | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bistrița-Năsăud, Suceava |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Tătaru, Teșna, Românești |
| Length: | 22km (14miles) |
| Source1: | Suhard Mountains |
| Mouth: | Dorna |
| Mouth Location: | Podu Coșnei |
| Mouth Coordinates: | 47.3592°N 25.1898°W |
| Basin Size: | 212km2 |
| Tributaries Left: | Siminic, Cucureasa, Tebeleuca, Teșna Mică, Bancu |
The Teșna is a left tributary of the river Dorna in Romania. It flows into the Dorna in Podu Coșnei. Its length is 22km (14miles) and its basin size is 212km2.