| Type: | Ortsgemeinde |
| Image Coa: | DEU Eppenbrunn COA.svg |
| Coordinates: | 49.1167°N 41°W |
| Image Plan: | Eppenbrunn in PS.svg |
| State: | Rheinland-Pfalz |
| District: | Südwestpfalz |
| Verbandsgemeinde: | Pirmasens-Land |
| Elevation: | 285 |
| Area: | 34.03 |
| Postal Code: | 66957 |
| Area Code: | 06335 |
| Licence: | PS |
| Gemeindeschlüssel: | 07 3 40 008 |
| Website: | pirmasens-land.de |
| Divisions: | 2 |
| Mayor: | Andreas Pein[1] |
| Leader Term: | 2019 - 24 |
| Party: | SPD |
Eppenbrunn is a municipality in Südwestpfalz district, in Rhineland-Palatinate, western Germany and belongs to the municipal association Pirmasens-Land.
Within the municipality is the 1.5 km long bunter sandstone formation called the Altschlossfelsen, which lies by the French border and was settled as early as Roman times.