| Schweinitzer Fließ | |
| Mouth Location: | Black Elster |
| Mouth Coordinates: | 51.7904°N 13.0119°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | States |
Schweinitzer Fließ is a river in Brandenburg and Saxony-Anhalt, Germany. It flows into the Schwarze Elster near Jessen (Elster).