| Nahmerbach | |
| Mouth Location: | Lenne |
| Mouth Coordinates: | 51.3453°N 7.58°W |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
| Length: | 11.1km (06.9miles) |
Nahmerbach is a river of North Rhine-Westphalia, Germany. It flows into the Lenne near Hagen-Hohenlimburg.