| Gerdau | |
| Image Coa: | DEU Gerdau COA.svg |
| Coordinates: | 52.9667°N 35°W |
| Image Plan: | Gerdau in UE.svg |
| State: | Niedersachsen |
| District: | Uelzen |
| Samtgemeinde: | Suderburg |
| Elevation: | 52 |
| Area: | 37.97 |
| Postal Code: | 29581 |
| Area Code: | 05808 |
| Licence: | UE |
| Gemeindeschlüssel: | 03 3 60 009 |
| Divisions: | 6 |
| Website: | www.gerdau.de |
| Mayor: | Otto Schröder |
| Party: | CDU |
Gerdau is a municipality in the district of Uelzen, in Lower Saxony, Germany.