| Image Coa: | DEU Dahmker COA.svg |
| Coordinates: | 53.5869°N 10.4456°W |
| Image Plan: | Dahmker in RZ.svg |
| State: | Schleswig-Holstein |
| District: | Herzogtum Lauenburg |
| Amt: | Schwarzenbek-Land |
| Elevation: | 36 |
| Area: | 2.04 |
| Postal Code: | 22946 |
| Area Code: | 04154 |
| Licence: | RZ |
| Gemeindeschlüssel: | 01 0 53 021 |
| Website: | www.amt-schwarzenbek-land.de |
| Mayor: | Jens Husen |
Dahmker is a municipality in the district of Lauenburg, in Schleswig-Holstein, Germany.