Les Bons Villers (; ) is a municipality of Wallonia located in the province of Hainaut, Belgium.
On 1 January 2018 the municipality had 9,457 inhabitants. The total area is 42.55 km<sup>2</sup>, giving a population density of 222 inhabitants per km<sup>2</sup>.
The municipality consists of the following districts: Frasnes-lez-Gosselies, Mellet, Rèves, Villers-Perwin and Wayaux.