| Kollenbach | |
| Mouth Location: | Beckum, North Rhine-Westphalia, Germany |
| Mouth Coordinates: | 51.7546°N 8.0449°W |
| Subdivision Type1: | Country |
Kollenbach also known as Collenbach is a river in Beckum, North Rhine-Westphalia, Germany. It is a headwater of the Werse.