Gembloux is a city and municipality of Wallonia located in the province of Namur, Belgium.
On 1 January 2006 the municipality had 21,964 inhabitants. The total area is 95.86 km², yielding a population density of 229 inhabitants per km². The mayor, who was elected on 8 October 2006, is Benoît Dispa.
The municipality consists of the following districts: Beuzet, Bossière, Bothey, Corroy-le-Château, Ernage, Gembloux, Grand-Leez, Grand-Manil, Isnes, Lonzée, Mazy, and Sauvenière.
This city is well known for its Agricultural University and for its cutlery. The university is housed in the historical Abbey of Gembloux, which dates from the tenth century.
Gembloux's belfry is a UNESCO World Heritage Site, on the list Belfries of Belgium and France.