Fontaine-l'ÃÂvêque (; ) is a city and municipality of Wallonia located in the province of Hainaut, Belgium.
On January 1, 2006, Fontaine-l'ÃÂvêque had a total population of 16,687. The total area is 28.41 km<sup>2</sup> which gives a population density of 587 inhabitants per km<sup>2</sup>.
The municipality consists of the following districts: Fontaine-l'ÃÂvêque, Forchies-la-Marche, and Leernes.