| Type: | Stadtteil |
| Town: | Osterburg (Altmark) |
| Image Coa: | DE-ST 15-0-90-415 Duesedau COA.png |
| Coordinates: | 52.7667°N 59°W |
| State: | Sachsen-Anhalt |
| District: | Stendal |
| Elevation: | 23 |
| Area: | 12.82 |
| Population: | 353 |
| Stand: | 2006-12-31 |
| Postal Code: | 39606 |
| Area Code: | 03937 |
| Licence: | SDL |
| Website: | www.osterburg.de |
Düsedau is a village and a former municipality in the district of Stendal, in Saxony-Anhalt, Germany. Since 1 July 2009, it is part of the town Osterburg (Altmark).