| Sankt Annen | |
| Image Coa: | DEU Sankt Annen (Dithmarschen) COA.svg |
| Coordinates: | 54.3531°N 9.0769°W |
| Image Plan: | Sankt Annen in HEI.PNG |
| State: | Schleswig-Holstein |
| District: | Dithmarschen |
| Amt: | KLG Eider |
| Elevation: | 4 |
| Area: | 14.87 |
| Postal Code: | 25776 |
| Area Code: | 04882 |
| Licence: | HEI |
| Gemeindeschlüssel: | 01 0 51 096 |
| Divisions: | 3 |
| Website: | www.amt-eider.de |
| Mayor: | Tjark Schütt |
Sankt Annen is a municipality in the district of Dithmarschen, in Schleswig-Holstein, Germany.