| Type: | Ortsgemeinde |
| Coordinates: | 50.7267°N 7.7033°W |
| Image Plan: | Isert in AK.svg |
| State: | Rheinland-Pfalz |
| District: | Altenkirchen |
| Verbandsgemeinde: | Altenkirchen-Flammersfeld |
| Elevation: | 294 |
| Area: | 1.84 |
| Postal Code: | 57612 |
| Area Code: | 02681, 02682 |
| Licence: | AK |
| Gemeindeschlüssel: | 07 1 32 058 |
| Mayor: | Wolfgang Hörter[1] |
| Leader Term: | 2019 - 24 |
Isert is a municipality in the district of Altenkirchen, in Rhineland-Palatinate, in western Germany.