Dlhá nad Kysucou (Hungarian: Dlhavölgy) is a village and municipality in Čadca District in the Žilina Region of northern Slovakia.
In historical records the village was first mentioned in 1954.
The municipality lies at an altitude of 520 metres and covers an area of 12.259 km². It has a population of about 503 people.
The records for genealogical research are available at the state archive "Statny Archiv in Bytca, Slovakia"