| Image Coa: | DEU Dersau COA.svg |
| Coordinates: | 54.1167°N 30°W |
| Image Plan: | Dersau in PLOE.png |
| State: | Schleswig-Holstein |
| District: | Plön |
| Amt: | Großer Plöner See |
| Elevation: | 43 |
| Area: | 7.51 |
| Postal Code: | 24326 |
| Area Code: | 04526 |
| Licence: | PLÖ |
| Gemeindeschlüssel: | 01 0 57 015 |
| Website: | www.amt-grosser- ploener-see.de |
| Mayor: | Martin Leonhardt |
| Party: | CDU |
Dersau is a municipality in the district of Plön, in Schleswig-Holstein, Germany.