| Type: | Ortsgemeinde |
| Image Coa: | DEU Obernhof COA.svg |
| Coordinates: | 50.3192°N 7.8542°W |
| Image Plan: | Obernhof in EMS.svg |
| State: | Rheinland-Pfalz |
| District: | Rhein-Lahn-Kreis |
| Verbandsgemeinde: | Bad Ems-Nassau |
| Elevation: | 100 |
| Area: | 3.85 |
| Postal Code: | 56379 |
| Area Code: | 02604 |
| Licence: | EMS, DIZ, GOH |
| Gemeindeschlüssel: | 07 1 41 103 |
| Website: | www.obernhof.de |
| Mayor: | Karl Friedrich Merz[1] |
| Leader Term: | 2019 - 24 |
Obernhof is a municipality in the district of Rhein-Lahn, in Rhineland-Palatinate, in western Germany. It belongs to the association community of Bad Ems-Nassau.