| Coordinates: | 50.7211°N 7.7264°W |
| Image Plan: | Idelberg in AK.svg |
| State: | Rheinland-Pfalz |
| District: | Altenkirchen |
| Verbandsgemeinde: | Altenkirchen-Flammersfeld |
| Elevation: | 288 |
| Area: | 1.13 |
| Postal Code: | 57612 |
| Area Code: | 02681 |
| Licence: | AK |
| Gemeindeschlüssel: | 07 1 32 056 |
| Mayor: | Karl-Heinz Henn[1] |
| Leader Term: | 2019 - 24 |
Idelberg is a municipality in the district of Altenkirchen, in Rhineland-Palatinate, in western Germany.