Infante Fernando of Portugal (1260–1262), son of Afonso III of Portugal;

Ferdinand of Portugal (Portuguese language: Fernando) is the name of several Portuguese people connected with the Royal Family, including two kings:

Ferdinand I of Portugal (1345-1383)

Ferdinand II of Portugal (1819-1885), King Consort to Mary II of Portugal

Infante Fernando, Count of Flanders (1188–1233), son of Sancho I of Portugal;

Infante Fernando, Lord of Serpa (a. 1217–c. 1243), son of Afonso II of Portugal;

Infante Fernando of Portugal, a.k.a. Fernando, the Saint Prince (1402–1443), son of John I of Portugal;

Ferdinand, Duke of Viseu (1433–1470), son of Edward of Portugal;

Infante Fernando, Duke of Guarda and Trancoso (1507–1534), son of Manuel I of Portugal;

Infante Fernando Maria Luís of Portugal (1846–1861), son of Maria II and Ferdinand II of Portugal.