Saint-Étienne-de-Lauzon is a district (secteur) within Les Chutes-de-la-Chaudière-Ouest borough of the city of Lévis. Its population as of the Canada 2011 Census was 9,990.
It was incorporated in 1860 and remained a separate municipality until January 1, 2002, whereafter it became part of Lévis.
46°39′00″N 71°18′00″W / 46.65000°N 71.30000°W