| Belgenbach | |
| Mouth Location: | Rur |
| Mouth Coordinates: | 50.5636°N 6.2981°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | North Rhine-Westphalia |
Belgenbach is a river of North Rhine-Westphalia, Germany. It flows into the Rur near Monschau.