Namesakes
Amadeo I of Savoy
(middle name Ferdinando) (m) 1845-1890 
Spanish Kings and Queens 1870-1873
Ferdinando Maria Baccilieri
(m) 1821-1893
Saints
Ferdinando Gandolfi
(m) 1967-
Olympic Medalists 1992 water polo (gold)
Grimoaldo of the Purification
(a.k.a. Ferdinando) (m) 1883-1902
Saints
Hernando de Soto
(a.k.a. Ferdinando) (m) c. 1496-1542
Notable Explorers and Adventurers
Umberto I of Italy
(middle name Ferdinando) (m) 1844-1900
Other Royalty 1878-1900 Italy (king)
Vittorio Emanuele II of Italy
(middle name Ferdinando) (m) 1820-1878
Other Royalty 1861-1878 Italy (king)
Vittorio Emanuele III of Italy
(middle name Ferdinando) (m) 1869-1947
Other Royalty 1900-1946 Italy (king)