Dave Castle, also known as Fernan-Núñez Castle (French: Château de Dave, Château Fernan-Núñez) is a château in the village of Dave, Wallonia, also known as Dave-sur-Meuse, now a part of the city of Namur, Belgium. The château stands on the banks of the Meuse. It was originally a medieval structure, the centre of power of the influential sieurs de Dave, but was ruined in the 17th century, and re-constructed in the 18th and 19th centuries by the , whence the alternative name.