| Nerussa | |
| Mouth Coordinates: | 52.5488°N 33.7768°W |
| Subdivision Type1: | Country |
| Length: | 161km (100miles) |
| Basin Size: | 5630km2 |
The Nerussa (Russian: Нерусса) is a river in the Oryol and Bryansk oblasts of Russia. It is a left tributary of the Desna. It is long, and has a drainage basin of .[1] The river flows through the town of Dmitrovsk.