| Steinhorst | |
| Image Coa: | Wappen Steinhorst.png |
| Coordinates: | 52.6833°N 34°W |
| Image Plan: | Steinhorst in GF.svg |
| State: | Niedersachsen |
| District: | Gifhorn |
| Samtgemeinde: | Hankensbüttel |
| Elevation: | 72 |
| Area: | 57.78 |
| Postal Code: | 29367 |
| Area Code: | 05148 |
| Licence: | GF |
| Gemeindeschlüssel: | 03 1 51 029 |
| Mayor: | Wilhelm Hasselmann |
| Party: | CDU |
Steinhorst is a municipality in the district of Gifhorn, in Lower Saxony, Germany. Steinhorst includes the villages of Auermühle, Lüsche, Räderloh and Steinhorst.