Chateaugay

Chateaugay or Châteauguay may refer to:


 * Chateaugay (village), New York
 * Chateaugay (town), New York
 * Châteaugay, a commune of the Puy-de-Dôme Department in France
 * Châteauguay, a city southwest of Montreal
 * Chateaugay (horse) (1960–1985), American Thoroughbred racehorse
 * Châteauguay River, New York and Quebec