| Image Coa: | Wappen Obernholz.png |
| Coordinates: | 52.75°N 47°W |
| Image Plan: | Obernholz in GF.svg |
| State: | Niedersachsen |
| District: | Gifhorn |
| Samtgemeinde: | Hankensbüttel |
| Elevation: | 84 |
| Area: | 37.82 |
| Postal Code: | 29386 |
| Area Code: | 05832 |
| Licence: | GF |
| Gemeindeschlüssel: | 03 1 51 019 |
| Divisions: | 6 Ortsteile |
| Mayor: | Werner Rodewald |
Obernholz is a municipality in the district of Gifhorn, in Lower Saxony, Germany. Obernholz includes the little villages of Bottendorf, Steimke, Schweimke, Wettendorf, Wentorf and Wierstorf.