| Osterhausen | |
| Type: | Stadtteil |
| Town: | Eisleben |
| Coordinates: | 51.45°N 41°W |
| State: | Sachsen-Anhalt |
| District: | Mansfeld-Südharz |
| Elevation: | 165 |
| Area: | 16.51 |
| Population: | 1052 |
| Stand: | 2006-12-31 |
| Postal Code: | 06295 |
| Area Code: | 034776 |
| Licence: | ML |
Osterhausen is a village and a former municipality in the Mansfeld-Südharz district, in Saxony-Anhalt, Germany. Since 1 January 2009, it is part of the town Eisleben.