Places
Belgium
* Châtelet, Belgium, a municipality in the province of HainautFrance
* 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 MeuseSwitzerland
* Le Châtelet (mountain), in SwitzerlandOther uses
* Châtelet surface, a surface in algebraic geometryPeople 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 mathematicianSee also
* '' Châtelain'' (female ''chatelaine''), the French title for the keeper of a castle * Chastellet, a Templar castle lost to Saladin at the Siege of Jacob's Ford {{disambiguation, geo, surname