| Gremersdorf | |
| Image Coa: | DEU Gremersdorf COA.svg |
| Coordinates: | 54.3331°N 10.9344°W |
| Image Plan: | Gremersdorf in OH.png |
| State: | Schleswig-Holstein |
| District: | Ostholstein |
| Amt: | Oldenburg-Land |
| Elevation: | 19 |
| Area: | 45.78 |
| Postal Code: | 23758 |
| Area Code: | 04361 |
| Licence: | OH |
| Gemeindeschlüssel: | 01 0 55 015 |
| Website: | www.amt-oldenburg- land.de |
| Mayor: | Henning Pries |
| Party: | CDU |
Gremersdorf is a municipality in the district of Ostholstein, in Schleswig-Holstein, Germany. This municipality is next to the Baltic Sea.