Dolná Mariková (Hungarian: Alsómarikó) is a village and municipality in Považská Bystrica District in the Trenčín Region of north-western Slovakia.
In historical records the village was first mentioned in 1321.
The municipality lies at an altitude of 343 metres and covers an area of 22.129 km². It has a population of about 1460 people.
The records for genealogical research are available at the state archive "Statny Archiv in Bytca, Slovakia"
Coordinates: 49°15′N 18°22′E / 49.250°N 18.367°E