Chapelle-lez-Herlaimont (; ) is a municipality of Wallonia located in the province of Hainaut, Belgium.
On January 1, 2018, Chapelle-lez-Herlaimont had a total population of 14,900. The total area is 18.10 km<sup>2</sup> which gives a population density of 820 inhabitants per km<sup>2</sup>.
The municipality consists of the following districts: Chapelle-lez-Herlaimont, Godarville, and Piéton.