The Count of Hainaut (French: Comte de Hainaut; Dutch: Graaf van Henegouwen; German: Graf von Hennegau) was the ruler of the county of Hainaut, a historical region in the Low Countries (including the modern countries of Belgium, the Netherlands, Luxembourg and parts of northern France and western Germany). In English-language historical sources, the title is often given the older spelling Hainault.