| Schwarzwasser | |
| Subdivision Type1: | Countries |
| Subdivision Type2: | Region |
| Subdivision Name2: | Ústí nad Labem |
| Subdivision Type3: | State |
| Subdivision Name3: | Saxony |
| Mouth Coordinates: | 50.5301°N 13.1299°W |
| Progression: | Preßnitz→ |
The Schwarzwasser (Czech: Černá Voda) is a river in Bohemia (Czech Republic) and Saxony (Germany). It is a left tributary of the Preßnitz, which it joins near Jöhstadt.