| Image Coa: | Suederheistedt-Wappen.png |
| Coordinates: | 54.1167°N 22°W |
| Image Plan: | Suederheistedt in HEI.png |
| State: | Schleswig-Holstein |
| District: | Dithmarschen |
| Amt: | KLG Eider |
| Elevation: | 5 |
| Area: | 8.44 |
| Postal Code: | 25779 |
| Area Code: | 0481 |
| Licence: | HEI |
| Gemeindeschlüssel: | 01 0 51 141 |
| Website: | www.suederheistedt.de |
| Mayor: | Birgit Meier |
Süderheistedt is a municipality in the district of Dithmarschen, in Schleswig-Holstein, Germany.