| Hoyerswerdaer Schwarzwasser | |
| Mouth Coordinates: | 51.4207°N 14.2508°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | States |
| Subdivision Name2: | Saxony |
Hoyerswerdaer Schwarzwasser is a river of Saxony, Germany. It is a right tributary of the Schwarze Elster, which it joins in Hoyerswerda.