| Coordinates: | 54.2217°N 9.2622°W |
| State: | Schleswig-Holstein |
| Image Plan: | Westerborstel in HEI.PNG |
| District: | Dithmarschen |
| Amt: | KLG Eider |
| Elevation: | 13 |
| Area: | 4.14 |
| Postal Code: | 25782 |
| Area Code: | 04838 |
| Licence: | HEI |
| Gemeindeschlüssel: | 01 0 51 131 |
| Website: | www.amt-eider.de |
| Mayor: | Dieter Grimm |
Westerborstel is a municipality in the district of Dithmarschen, in Schleswig-Holstein, Germany.