| Type: | Ortsteil |
| Town: | Gardelegen |
| Image Coa: | DE-ST 15-0-81-135 Miesterhorst COA.png |
| Coordinates: | 52.4606°N 11.1417°W |
| State: | Sachsen-Anhalt |
| District: | Altmarkkreis Salzwedel |
| Elevation: | 57 |
| Area: | 22.64 |
| Population: | 695 |
| Stand: | 2009-12-31 |
| Postal Code: | 39649 |
| Area Code: | 039006 |
| Licence: | SAW |
| Website: | www.miesterhorst.de |
Miesterhorst is a village and a former municipality in the district Altmarkkreis Salzwedel, in Saxony-Anhalt, Germany. Since 1 January 2011 it is part of the town of Gardelegen.