| Image Coa: | DEU Giekau COA.svg |
| Coordinates: | 54.3167°N 41°W |
| Image Plan: | Giekau in PLOE.png |
| State: | Schleswig-Holstein |
| District: | Plön |
| Amt: | Lütjenburg |
| Elevation: | 41 |
| Area: | 32.8 |
| Postal Code: | 24321 |
| Area Code: | 04381, 04385 |
| Licence: | PLÖ |
| Gemeindeschlüssel: | 01 0 57 021 |
| Mayor: | Manfred Koch |
Giekau is a municipality in the district of Plön, in Schleswig-Holstein, Germany.