| Image Coa: | DEU Rathjensdorf COA.svg |
| Coordinates: | 54.1667°N 35°W |
| Image Plan: | Rathjensdorf in PLOE.png |
| State: | Schleswig-Holstein |
| District: | Plön |
| Amt: | Großer Plöner See |
| Elevation: | 32 |
| Area: | 11.79 |
| Postal Code: | 24306 |
| Area Code: | 04522 |
| Licence: | PLÖ |
| Gemeindeschlüssel: | 01 0 57 067 |
| Website: | www.amt-grosser- ploener-see.de |
| Mayor: | Oskar Paustian |
Rathjensdorf is a municipality in the district of Plön, in Schleswig-Holstein, Germany.