| Type: | Ortsgemeinde |
| Image Coa: | DEU Kasdorf COA.svg |
| Coordinates: | 50.2078°N 7.7853°W |
| Image Plan: | Kasdorf in EMS.svg |
| State: | Rheinland-Pfalz |
| District: | Rhein-Lahn-Kreis |
| Verbandsgemeinde: | Nastätten |
| Elevation: | 298 |
| Area: | 4.06 |
| Postal Code: | 56357 |
| Area Code: | 06772 |
| Licence: | EMS, DIZ, GOH |
| Gemeindeschlüssel: | 07 1 41 067 |
| Website: | www.gemeinde-kasdorf.de |
| Mayor: | Timo Bremser[1] |
| Leader Term: | 2019 - 24 |
Kasdorf is a municipality in the district of Rhein-Lahn, in Rhineland-Palatinate, in western Germany.