Le Rœulx Castle (French: Château du Rœulx), also known as the Château des Princes de Croÿ, or "castle of the Princes de Croÿ", is a castle in the town of Le Rœulx in the province of Hainaut, Wallonia, Belgium.

• List of castles in Belgium
• House of Croÿ

• Castle of Le Roeulx, Belgian Tourist office Wallonia, Brussels
• Chateau du Roeulx, www.chateauxduhainaut.be

50°30′18″N 4°06′32″E / 50.505°N 4.109°E / 50.505; 4.109