Froidchapelle (French pronunciation: [fʁwa.ʃa.pɛl]) is a Walloon municipality located in the Belgian province of Hainaut. On January 1, 2006, Froidchapelle had a total population of 3,626. The total area is 86.03 km² which gives a population density of 42 inhabitants per km².
The municipality consists of the following sub-municipalities: Froidchapelle proper, Boussu-lez-Walcourt, Fourbechies, Vergnies, and Erpion.
The Eau d'Heure lakes are situated partly in this municipality and partly in neighbouring Cerfontaine.