Zoutleeuw is a municipality and city in the Hageland, in the extreme east of the Belgian province of Flemish Brabant. On 1 January 2006 the municipality had 7,947 inhabitants. The total area is 46.73 km², giving a population density of 170 inhabitants per km².
The name Leeuw means "lion", to which Zout was added from the 16th century in recognition of the town's right to levy a salt tax.
In 1999, UNESCO included the historical St. Leonard's Church as part of the World Heritage Site Belfries of Belgium and France.