| Image Coa: | DEU Süderau COA.svg |
| Coordinates: | 53.8167°N 40°W |
| Image Plan: | Suederau in IZ.png |
| State: | Schleswig-Holstein |
| District: | Steinburg |
| Amt: | Krempermarsch |
| Elevation: | 3 |
| Area: | 8.86 |
| Postal Code: | 25361 |
| Area Code: | 04824 |
| Licence: | IZ |
| Gemeindeschlüssel: | 01 0 61 104 |
| Website: | www.amt- krempermarsch.de |
| Mayor: | Peter Wischmann |
Süderau is a municipality in the district of Steinburg, in Schleswig-Holstein, Germany.