| Image Coa: | DEU Brunsbek COA.svg |
| Coordinates: | 53.5944°N 10.2683°W |
| Image Plan: | Brunsbek in OD.svg |
| State: | Schleswig-Holstein |
| District: | Stormarn |
| Amt: | Siek |
| Elevation: | 62 |
| Area: | 16.06 |
| Postal Code: | 22946 |
| Area Code: | 04107 |
| Licence: | OD |
| Gemeindeschlüssel: | 01 0 62 088 |
| Divisions: | 3 |
| Website: | www.amtsiek.de |
| Mayor: | Olaf Beber |
Brunsbek is a municipality in the district of Stormarn, in Schleswig-Holstein, Germany.