Duke of Loulé
| Dukedom of Loulé | |
|---|---|
| Creation date | 3 October 1862 |
| Created by | Luis I of Portugal |
| Peerage | Peerage of Portugal |
| First holder | Nuno José Severo de Mendoça Rolim de Moura Barreto |
| Present holder | Pedro José Folque de Mendoça Rolim de Moura Barreto |
| Remainder to | Male primogeniture |
| Subsidiary titles | Count of Vale de Reis |
Duke of Loulé is a Portuguese title of nobility created by a royal decree of King Luis I of Portugal, dated from October 3, 1862, to his grand-uncle Nuno José Severo de Mendoça Rolim de Moura Barreto, 2nd Marquis of Loulé and 9th Count of Vale de Reis. The new duke descended from earlier Portuguese monarchs and belonged to the highest nobility. After the fall of the monarchy in 1910 and the death of King Manuel II, the Duke of Loulé was acclaimed by his supporters as head of the Portuguese Royal house.