| Coordinates: | 50.7833°N 24°W |
| Image Plan: | Gauern in GRZ.png |
| State: | Thüringen |
| District: | Greiz |
| Verwaltungsgemeinschaft: | Ländereck |
| Elevation: | 303 |
| Area: | 3.66 |
| Postal Code: | 07580 |
| Area Code: | 036608 |
| Licence: | GRZ |
| Gemeindeschlüssel: | 16 0 76 019 |
| Mayor: | Stefan Mattis[1] |
| Leader Term: | 2022 - 28 |
Gauern is a municipality in the district of Greiz, in Thuringia, Germany. It is part of the municipal association of Ländereck. Gauern has a population of 121 people (Dec. 2022).