Pstrina is a village and municipality in Svidník District in the Prešov Region of north-eastern Slovakia.
In historical records the village was first mentioned in 1497.
The municipality lies at an altitude of 325 metres and covers an area of 6.230 km². It has a population of about 59 people.
Coordinates: 49°18′N 21°45′E / 49.300°N 21.750°E / 49.300; 21.750