| Type: | Stadtteil |
| Town: | Klötze |
| Image Coa: | DE-ST 15-0-81-280 Jahrstedt COA.png |
| Coordinates: | 52.56°N 10.9733°W |
| State: | Sachsen-Anhalt |
| District: | Altmarkkreis Salzwedel |
| Elevation: | 57 |
| Area: | 20.39 |
| Population: | 811 |
| Stand: | 2006-12-31 |
| Postal Code: | 38486 |
| Area Code: | 039008 |
| Licence: | SAW |
Jahrstedt is a village and a former municipality in the district Altmarkkreis Salzwedel, in Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the town Klötze.