| Ankerbach | |
| Mouth Location: | Rhine |
| Mouth Coordinates: | 50.7155°N 7.1554°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | North Rhine-Westphalia |
Ankerbach is a small river of North Rhine-Westphalia, Germany. It has a length of 4.4 km and its drainage basin has am area of 3 km2. It joins the Rhine river at km 650.55, near Bonn.