Bernissart (French pronunciation: ​[bɛʁnisaʁ]; Picard: Bernissåt) is a municipality of Wallonia located in the province of Hainaut, Belgium. On January 1, 2006, Bernissart had a total population of 11,458. The total area is 43.42 km², which gives a population density of 264 inhabitants per km². The municipality consists of the following districts: Blaton, Bernissart, , , and .