| Art: | Ortsteil |
| Municipality: | Geratal |
| Image Coa: | Wappen_Frankenhain.jpg |
| Coordinates: | 50.7569°N 10.7889°W |
| State: | Thüringen |
| District: | Ilm-Kreis |
| Elevation: | 480 |
| Area: | 12.27 |
| Population: | 711 |
| Stand: | 2017-12-31 |
| Postal Code: | 99330 |
| Area Code: | 036205 |
| Licence: | IK |
| Website: | www.frankenhain.de |
Frankenhain is a village and a former municipality in the district Ilm-Kreis, in Thuringia, Germany. Since 1 January 2019, it is part of the municipality Geratal.It is well known for its biathlon club.