| Type: | Stadtteil |
| Town: | Osterfeld |
| Waldau | |
| Coordinates: | 51.0667°N 67°W |
| State: | Sachsen-Anhalt |
| District: | Burgenlandkreis |
| Elevation: | 250 |
| Area: | 5.55 |
| Population: | 492 |
| Stand: | 2008 |
| Postal Code: | 06721 |
| Area Code: | 034422 |
Waldau is a village and a former municipality in the Burgenlandkreis district, in Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the town Osterfeld.