Nitrianske Sučany (Hungarian: Nyitraszucsány) is a village and municipality in Prievidza District in the Trenčín Region of western Slovakia.
In historical records the village was first mentioned in 1249.
The municipality lies at an altitude of 310 metres and covers an area of 18.067 km². It has a population of about 1260 people.
Coordinates: 48°44′N 18°28′E / 48.733°N 18.467°E