Gaspard-Joseph Chaussegros de Léry (July 20, 1721 – December 11, 1797), his first name was also sometimes written Joseph-Gaspard. He was a military engineer and a political figure in Lower Canada. During the Seven Years' War he proved himself to be an outstanding officer and was one of only a few colonial officers held in high esteem by the Marquis de Montcalm.