Kamenná Poruba (Hungarian: Kővágás) is a village and municipality in Žilina District in the Žilina Region of northern Slovakia.
In historical records the village was first mentioned in 1368.
The municipality lies at an altitude of 484 metres and covers an area of 14.182 km². It has a population of about 1815 people.
The records for genealogical research are available at the state archive "Statny Archiv in Bytca, Slovakia"