Lacková is a village and municipality in Stará Ľubovňa District in the Prešov Region of northern Slovakia.
In historical records the village was first mentioned in 1408.
The municipality lies at an altitude of 560 metres and covers an area of 6.212 km². It has a population of about 172 people.
Coordinates: 49°18′30″N 20°35′40″E / 49.30833°N 20.59444°E / 49.30833; 20.59444