| Image Coa: | Wappen_Altenberga.png |
| Coordinates: | 50.8333°N 43°W |
| Image Plan: | Altenberga in SHK.svg |
| State: | Thüringen |
| District: | Saale-Holzland-Kreis |
| Verwaltungsgemeinschaft: | Südliches Saaletal |
| Elevation: | 250 |
| Area: | 17.49 |
| Postal Code: | 07768 |
| Area Code: | 036424 |
| Licence: | SHK, EIS, SRO |
| Gemeindeschlüssel: | 16 0 74 002 |
| Website: | www.vg-suedliches-saaletal.de |
| Mayor: | Michael Schmidt[1] |
| Leader Term: | 2022 - 28 |
Altenberga is a municipality in the district Saale-Holzland, in Thuringia, Germany.