| Type: | Ortsteil |
| Municipality: | Meineweh |
| Image Coa: | Wappen Unterkaka.png |
| Coordinates: | 51.0906°N 11.9678°W |
| State: | Sachsen-Anhalt |
| District: | Burgenlandkreis |
| Elevation: | 263 |
| Area: | 7.07 |
| Population: | 308 |
| Stand: | 2006-12-31 |
| Postal Code: | 06721 |
| Area Code: | 034422 |
| Licence: | BLK |
| Website: | www.gemeinde-unterkaka.de |
Unterkaka is a village and a former municipality in the Burgenlandkreis district, in Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the municipality Meineweh.