| Trebnitz | |
| Mouth Coordinates: | 50.8695°N 13.8142°W |
| Progression: | Müglitz→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Saxony |
The Trebnitz is a river of Saxony, Germany. It is a right tributary of the Müglitz, which it joins near Glashütte.