Osadné is a village and municipality in Snina District in the Prešov Region of north-eastern Slovakia.
In historical records the village was first mentioned in 1639.
The municipality lies at an altitude of 385 metres and covers an area of 26.523 km². According to the 2013 census it had a population of 181 inhabitants.
The village was portrayed in a 2009 documentary film of the same name, directed by Marko Škop. The film won the award for best long-format documentary at the 2009 Karlovy Vary International Film Festival.