| Image Coa: | Wappen der Gemeinde Salzhausen.jpg |
| Coordinates: | 53.2167°N 20°W |
| Image Plan: | Salzhausen in WL.svg |
| State: | Niedersachsen |
| District: | Harburg |
| Samtgemeinde: | Salzhausen |
| Elevation: | 27 |
| Area: | 34.72 |
| Postal Code: | 21376 |
| Area Code: | 04172 |
| Licence: | WL |
| Gemeindeschlüssel: | 03 3 53 030 |
| Divisions: | 3 |
| Mayor: | Elisabeth Mestmacher |
Salzhausen is a municipality in the district of Harburg, in Lower Saxony, Germany. It is situated approximately 40 km southeast of Hamburg, and 15 km west of Lüneburg.
Salzhausen is also the seat of the Samtgemeinde ("collective municipality") Salzhausen.