Duke of Porto
|Duke of Porto|
|Monarch||Pedro IV of Portugal|
|Peerage||Peerage of Portugal|
|First holder||Maria, Duchess of Porto|
|Present holder||Dinis, Duke of Porto|
|Remainder to||Second male child of the head of the Royal House of Portugal|
Duke of Porto (Portuguese Duque do Porto) is a royaly-held noble title of Portuguese nobility.
The title's namesake is from the city of Porto, in the north of Portugal.
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
|Queen Maria II, Duchess of Porto||4 April 1819 – 15 November 1853||4 April 1833 – 31 October 1838||Pedro IV of Portugal|
|Infante Luís, Duke of Porto||31 October 1838 – 19 October 1889||31 October 1838 - 31 July 1865||Maria II of Portugal|
|Infante Afonso, Duke of Porto||31 July 1865 – 21 February 1920||31 July 1865 – 21 February 1920||Luís I of Portugal|
|Infante Dinis, Duke of Porto||25 November 1999 - Present||25 November 1999 - Present||Prince Duarte Pio, Duke of Braganza|