Saint-Lambert-de-Lauzon is a municipality in La Nouvelle-Beauce Regional County Municipality in Quebec, Canada. It is part of the Chaudière-Appalaches region and the population is 6,177 as of the Canada 2011 Census. Prior to June 22, 2013 it was a parish municipality.It is named after Pierre Lambert, a land surveyor who planned neighbouring Lévis. Lauzon refers to the seigneurie of Lauzon, the first to be established on the south shore of the Saint Lawrence River in 1636.