| Image Coa: | DEU Ecklak COA.svg |
| Coordinates: | 53.95°N 25°W |
| Image Plan: | Ecklak in IZ.png |
| State: | Schleswig-Holstein |
| District: | Steinburg |
| Amt: | Wilstermarsch |
| Elevation: | 1 |
| Area: | 15.59 |
| Postal Code: | 25572 |
| Area Code: | 04823, 04825, 04858 |
| Licence: | IZ |
| Gemeindeschlüssel: | 01 0 61 025 |
| Website: | www.wilstermarsch.de |
| Mayor: | Heino Evers |
Ecklak is a municipality in the district of Steinburg, in Schleswig-Holstein, Germany.
Ecklak is located on the periphery of the Wilstermarsch and Kudenseemoor, about ten kilometers northeast of Brunsbüttel and 14 kilometers west of Itzehoe on the Kiel Canal. The federal highway 5 and the railway line from Itzehoe to Brunsbüttel run a few kilometers south of Ecklak. The river of Wilsterau is flowting through the municipaly of Ecklak.