Châtelet

Châtelet or Chatelet may refer to:


 * Châtelet, a type of large gatehouse, a fortified entry point of a castle

Belgium

 * Châtelet, Belgium, a municipality in the province of Hainaut

France

 * Grand Châtelet, a former stronghold with courts, police, and prisons on the site of the Place du Châtelet
 * Place du Châtelet, a public square in Paris, on the right bank of the Seine on the border of the 1st and 4th arrondissements
 * Théâtre du Châtelet, a theatre in Paris, on the Place du Châtelet
 * Châtelet (Paris Métro), a Metro station in Paris, located near the Place du Châtelet
 * Châtelet–Les Halles (Paris RER), the central commuter train station in Paris, attached to both the Châtelet and Les Halles metro stations
 * Le Châtelet-sur-Meuse, a commune in Haute-Marne that is near the source of the Meuse

Switzerland

 * Le Châtelet (mountain), in Switzerland

Other uses

 * Châtelet surface, a surface in algebraic geometry

People with the surname

 * Albert Châtelet (1883–1960), French mathematician and politician
 * Émilie du Châtelet (1706−1749), French mathematician, physicist, and author
 * François Châtelet (1925−1985), French historian of political philosophy
 * François Châtelet (mathematician) (1912–1987), French mathematician
 * Gilles Châtelet (1944–1999), French philosopher and mathematician