Duke of Porto
Duke of Porto is a title of Portuguese nobility, held by members of the royal family. It is named for the city of Porto, in the north of Portugal.
History
The title was created in 1833 for Maria, Princess Royal of Portugal by King Pedro IV of Portugal. The title's name was made in honour of the city of Porto, due its loyalty to Pedro IV and Maria II in the Liberal Wars.Following the use of the title by Maria, Princess Royal of Portugal, the title became associated with the second male child of the head of the Royal House of Portugal.
List of dukes of Porto
Claimed dukes of Porto
After the end of the monarchy, the following individuals have claimed the title of Duke of Porto:| Image | Name | Lifespan | Tenure | Monarchical parent |
| Infante Dinis, Duke of Porto | 25 November 1999 - Present | 25 November 1999 - Present | Duarte Pio |