Duke of Coislin (Fr.: duc de Coislin) was a title of nobility in the peerage of France created by Louis XIV of France in 1665 for Armand de Camboust.
| From | To | Duke of Coislin | Relationship to predecessor |
|---|---|---|---|
| 1665 | 1702 | Armand de Camboust, duc de Coislin (1635-1702) | First Duke of Coislin |
| 1702 | 1710 | Pierre de Camboust, duc de Coislin (1655-1710) | Son of Armand de Camboust, duc de Coislin |
| 1710 | 1732 | Henri Charles du Cambout de Coislin (1665-1732) | Brother of Pierre de Camboust, duc de Coislin |