Jean Bouillet de la Chassaigne (June 1654 – January 31, 1733) was a soldier in New France.
[2] The son of Gaudefroy Bouillet, a lawyer and seigneur of the fief of La Chassagne, and Anne Bartaud, he was born at Paray in France and joined the Régiment de Navarre in 1672, reaching the rank of lieutenant.
In 1677, he became a captain in the Régiment de Condé and, in 1687, was given command of a company of the colonial regular troops in Canada.
In 1690, La Chassaigne was commander of Fort Lachine.
La Chassaigne died in Montreal at the age of 78.