| Coordinates: | 53.6567°N 7.7197°W |
| Image Plan: | Werdum in WTM.svg |
| State: | Niedersachsen |
| District: | Wittmund |
| Samtgemeinde: | Esens |
| Elevation: | 2 |
| Area: | 18.45 |
| Postal Code: | 26427 |
| Area Code: | 0 49 74 |
| Licence: | WTM |
| Gemeindeschlüssel: | 03 4 62 017 |
| Divisions: | 3 Ortsteile |
| Website: | www.werdum.de |
| Mayor: | Friedhelm Hass |
Werdum is a municipality in the district of Wittmund, in Lower Saxony, Germany.