Lúky (Hungarian: Alsórétfalu) is a village and municipality in Púchov District in the Trenčín Region of north-western Slovakia.

In historical records the village was first mentioned in 1471.

The municipality lies at an altitude of 345 metres and covers an area of 7.736 km². It has a population of about 950 people.

• Media related to Lúky at Wikimedia Commons
• Official website
• https://web.archive.org/web/20070513023228/http://www.statistics.sk/mosmis/eng/run.html