| Coordinates: | 53.0692°N 10.8869°W |
| Image Plan: | Zernien in DAN.svg |
| State: | Niedersachsen |
| District: | Lüchow-Dannenberg |
| Samtgemeinde: | Elbtalaue |
| Elevation: | 100 |
| Area: | 51.55 |
| Postal Code: | 29499 |
| Area Code: | 05863 |
| Licence: | DAN |
| Gemeindeschlüssel: | 03 3 54 027 |
| Divisions: | 18 Ortsteile |
| Mayor: | Heinz Schulz |
| Party: | SPD |
Zernien is a municipality in the district Lüchow-Dannenberg, in Lower Saxony, Germany.