Dukedoms in Portugal List List

| Title | Date_of_creation | Surname | First_titular_ |
|---|---|---|---|
| Duke of Cadaval | April 26, 1648 | Álvares Pereira de Melo | Nuno Álvares Pereira de Melo |
| Duke of Caminha | December 14, 1620 | Menezes | Miguel Luís de Menezes |
| Duke of Coimbra | 1415 | Portugal-Aviz , Lencastre , Bragança | Pedro, Prince of Portugal |
| Duke of Faial | April 4, 1833 | Sousa Holstein | Pedro de Sousa Holstein |
| Duke of Ficalho | May 14, 1836 | Almeida | Eugénia Maurícia Tomásia de Almeida Portugal |
| Duke of Goa | 1515 | Albuquerque | Afonso de Albuquerque |
| Duke of Guarda | October 5, 1530 | Portugal-Aviz | Ferdinand, Prince of Portugal |
| Duke of Guimarães | 1475 | Bragança | Fernando II, Duke of Braganza |
| Duke of Lafões | February 17, 1718 | Bragança , Bragança e Ligne de Sousa Tavares Mascarenhas da Silva | Pedro Henrique de Bragança |