Cybistra
| Turkish: Karahöyük | |
| Alternative name | Ḫubišna | 
|---|---|
| Location | Turkey | 
| Region | Konya Province | 
| Coordinates | 37°39′45″N 34°13′37″E / 37.662456°N 34.226824°E | 
Cybistra or Kybistra, earlier known as Ḫubišna, was a town of ancient Cappadocia or Cilicia.
The main city of Kybistra/Ḫubišna was located at the site corresponding to present-day Karahöyük, about 10 km northeast of the modern town of Ereğli in Konya Province, Turkey. It was the capital of a Luwian-speaking Neo-Hittite kingdom in the 1st millennium BCE.