| Havekost | |
| Image Coa: | kein |
| Coordinates: | 53.5414°N 10.4761°W |
| Image Plan: | Havekost in RZ.svg |
| State: | Schleswig-Holstein |
| District: | Herzogtum Lauenburg |
| Amt: | Schwarzenbek-Land |
| Elevation: | 44 |
| Area: | 5.91 |
| Postal Code: | 21493 |
| Area Code: | 04151 |
| Licence: | RZ |
| Gemeindeschlüssel: | 01 0 53 052 |
| Website: | www.amt-schwarzenbek-land.de |
| Mayor: | Markus Nickel |
Havekost is a municipality in the district of Lauenburg, in Schleswig-Holstein, Germany.