| Image Coa: | Wappen Danndorf.png |
| Coordinates: | 52.4297°N 10.9167°W |
| Image Plan: | Danndorf in HE.svg |
| State: | Niedersachsen |
| District: | Helmstedt |
| Samtgemeinde: | Velpke |
| Elevation: | 58 |
| Area: | 14.04 |
| Postal Code: | 38461 |
| Area Code: | 05364 |
| Licence: | HE |
| Gemeindeschlüssel: | 03 1 54 004 |
| Website: | www.danndorf.de |
| Mayor: | Diethelm Müller |
Danndorf is a municipality in the district of Helmstedt, in Lower Saxony, Germany.