Court-Saint-Étienne is a Walloon municipality located in the Belgian province of Walloon Brabant. On 1 January 2006 Court-Saint-Étienne had a total population of 9,408. The total area is 26.64 km² which gives a population density of 353 inhabitants per km².
The municipality includes the following communities: Wisterzée, Sart-Messire-Guillaume, La Roche, Mérivaux, Suzeril, Faux, Limauges, Beaurieux, Franquenies, Le Chenoy, and Tangissart.