| Erzbach | |
| Source1 Location: | Reichelsheim / Odenwald (Erzbach) |
| Mouth Location: | Osterbach |
| Mouth Coordinates: | 49.6856°N 8.8603°W |
| Subdivision Type1: | Country |
| Length: | ~ 2.8 km |
| River System: | Brook |
| District: | Odenwaldkreis |
Erzbach is a small river of Hesse, Germany. It flows into the Osterbach near Unter-Ostern.[1]