Hensies (; ; ) is a municipality of Wallonia located in the province of Hainaut, Belgium.
It has 6,857 inhabitants, as of January 1, 2017. The total area is 25.99 km<sup>2</sup>, giving a population density of 258 inhabitants per km<sup>2</sup>.
The municipality consists of the following districts: Hainin, Hensies, Montrœul-sur-Haine, and Thulin.
thumb|none|256px|Hensies: the Pommeroeul-Condé canal at sunset