Baron de Longueuil
| Barony of Longueuil | |
|---|---|
| Creation date | 1700 |
| Created by | King Louis XIV |
| First holder | Charles le Moyne de Longueuil, 1st Baron de Longueuil |
| Present holder | Michael Grant, 12th Baron de Longueuil |
| Remainder to | 1st Baron's heirs general of the body |
Baron de Longueuil (French pronunciation: [baʁɔ̃ d(ə) lɔ̃ɡœj]) is a title of French nobility. It was created in 1700 for Charles le Moyne de Longueuil, a Norman military officer. Its continuing recognition since the cession of Canada by France to Britain is based on the Treaty of Paris (1763), which reserved to those of French descent all rights which they had enjoyed before the cession.