Duke of San Fernando Luis
| Dukedom of San Fernando Luis | |
|---|---|
| Creation date | 7 February 1816 | 
| Created by | Ferdinand VII | 
| Peerage | Peerage of Spain | 
| First holder | Anne-Adrien-Pierre de Montmorency-Laval, 1st Duke of San Fernando Luis | 
| Present holder | Antoine de Lévis-Mirepoix, 7th Duke of San Fernando Luis | 
Duke of San Fernando Luis (Spanish: Duque de San Fernando Luis) is a hereditary title in the Peerage of Spain, accompanied by the dignity of Grandee and granted in 1816 by Ferdinand VII to Anne-Adrien-Pierre de Montmorency-Laval, for his efforts as Ambassador in Spain during the Bourbon Restoration.