| Köllerbach | |
| Mouth Location: | Saar |
| Mouth Coordinates: | 49.2467°N 6.8611°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | States |
| Subdivision Name2: | Saarland |
Köllerbach is a river of Saarland, Germany. It flows into the Saar in Völklingen.