| Sophienfließ | |
| Source1 Location: | Schloßsee at Prötzel |
| Mouth Location: | Schermützelsee at Buckow |
| Mouth Coordinates: | 52.5767°N 14.0677°W |
| Progression: | Werderfließ→ Stöbber→ Alte Oder→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Brandenburg |
| Length: | 100NaN0 |
Sophienfließ is a river in the hill country „Märkische Schweiz“ and the Märkische Schweiz Nature Park, District Märkisch-Oderland, Brandenburg, Germany. The stream runs over a distance of approximately 100NaN0.
The water passes across the Schermützelsee and the Werderfließ to the Buckowsee, who is flown through by the river Stöbber.