Chaudfontaine is a Belgian town located in the province of Liège. On January 1, 2006, Chaudfontaine had a total population of 21,012. The total area is 25.52 km² which gives a population density of 823 inhabitants per km².
The municipality consists of the following sub-municipalities: Chaudfontaine proper, Beaufays, Embourg, and Vaux-sous-Chèvremont.
Some of its most well-known enterprises are Galler chocolates, Magotteaux and Chaudfontaine drinking waters.