Kľače (Hungarian: Kalacsány) is a village and municipality in Žilina District in the Žilina Region of northern Slovakia.
In historical records the village was first mentioned in 1511.
The municipality lies at an altitude of 438 metres and covers an area of 2.073 km2. It has a population of about 337 people.
The records for genealogical research are available at the state archive "Statny Archiv in Bytca, Slovakia"