| Großschweidnitzer Wasser | |
| Mouth Coordinates: | 51.0764°N 14.6678°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | States |
| Subdivision Name2: | Saxony |
Großschweidnitzer Wasser is a river of Saxony, Germany. It is the left source river of the Löbauer Wasser.