| Ölbach | |
| Mouth Location: | Wapelbach |
| Mouth Coordinates: | 51.8735°N 8.346°W |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
| Length: | 29.6km (18.4miles) |
Ölbach is a river of North Rhine-Westphalia, Germany. It is a right tributary of the Wapelbach near Gütersloh.