| Image Coa: | Wappen von Wahrenholz.png |
| Coordinates: | 52.6167°N 46°W |
| Image Plan: | Wahrenholz in GF.svg |
| State: | Niedersachsen |
| District: | Gifhorn |
| Samtgemeinde: | Wesendorf |
| Elevation: | 55 |
| Area: | 57.99 |
| Postal Code: | 29399 |
| Area Code: | 05835 |
| Licence: | GF |
| Gemeindeschlüssel: | 03 1 51 036 |
| Divisions: | 5 |
| Mayor: | Herbert Pieper |
| Party: | CDU |
Wahrenholz is a municipality in the district of Gifhorn, in Lower Saxony, Germany. The Municipality Wahrenholz includes the villages of Betzhorn, Teichgut, Wahrenholz, Weißenberge and Weißes Moor.