Duke of Gramont
| Dukedom of Gramont | |
|---|---|
| Creation date | 1643; 1648 |
| Created by | Louis XIII and Louis XIV (regency of Anne of Austria) |
| Peerage | France |
| First holder | Antoine II de Gramont-Touloujon, 1st Duke of Gramont |
| Present holder | Antoine de Gramont, 15th Duke of Gramont |
| Heir apparent | none |
| Subsidiary titles | Duke of Guiche Count of Guiche Prince of Bidache Viscount of Aster |
| Former seat(s) | Château de Bidache |
.svg){kind=link}
The title of Duke of Gramont (duc de Gramont) is a French dukedom and former peerage. It was created in 1648 for French Marshal Antoine III de Gramont.