| Type: | Ortsteil |
| Town: | Oranienbaum-Wörlitz |
| Coordinates: | 51.8167°N 42°W |
| State: | Sachsen-Anhalt |
| District: | Wittenberg |
| Elevation: | 62 |
| Area: | 7.86 |
| Population: | 260 |
| Stand: | 2009-12-31 |
| Postal Code: | 06786 |
| Area Code: | 034905 |
| Licence: | WB |
Rehsen is a village and a former municipality in the district of Wittenberg, Saxony-Anhalt, Germany. Since 1 January 2011, it is part of the town Oranienbaum-Wörlitz.