Olejníkov is a village and municipality in Sabinov District in the Prešov Region of north-eastern Slovakia.
In historical records the village was first mentioned in 1454.
The municipality lies at an altitude of 484 metres and covers an area of 44.461 km². It has a population of about 357 people.
Coordinates: 49°11′N 21°04′E / 49.183°N 21.067°E / 49.183; 21.067