| Image Coa: | DEU Kestert COA.svg |
| Coordinates: | 50.1856°N 7.65°W |
| Image Plan: | Kestert in EMS.svg |
| State: | Rheinland-Pfalz |
| District: | Rhein-Lahn-Kreis |
| Verbandsgemeinde: | Loreley |
| Elevation: | 70 |
| Area: | 6.90 |
| Postal Code: | 56348 |
| Area Code: | 06773 |
| Licence: | EMS, DIZ, GOH |
| Gemeindeschlüssel: | 07 1 41 072 |
| Mayor: | Uwe Schwarz[1] |
| Leader Term: | 2019 - 24 |
Kestert (formerly Kester) is a municipality in the district of Rhein-Lahn, in Rhineland-Palatinate, in western Germany.