| Hammerbach | |
| Mouth Coordinates: | 51.0184°N 13.6406°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | States |
| Subdivision Name2: | Saxony |
The Hammerbach is a river of Saxony, Germany. It is a left tributary of the Wiederitz, which it joins near Freital.