| Type: | Ortsteil |
| Municipality: | Altmärkische Höhe |
| Coordinates: | 52.8167°N 45°W |
| State: | Sachsen-Anhalt |
| District: | Stendal |
| Elevation: | 27 |
| Area: | 13.45 |
| Population: | 282 |
| Stand: | 2006-12-31 |
| Postal Code: | 39606 |
| Area Code: | 039391 |
| Licence: | SDL |
| Website: | www.vgem-seehausen.de |
Kossebau is a village and a former municipality in the district of Stendal, in Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the municipality Altmärkische Höhe.