Ferdinand III may refer to:
- Ferdinand III of Castile, the Saint (1199–1252, king from 1217)
- Ferdinand III of Naples the Catholic (1452–1516, king from 1504) (Ferdinand V of Castile and Ferdinand II of Aragon and of Sicily), husband of Isabella of Castile
- Ferdinand III, Holy Roman Emperor (1608–1657, emperor from 1637)
- Ferdinand III of Sicily (1751–1825, king 1759–1816) (= Ferdinand IV of Naples 1759–1799; 1799–1806; 1815–1816)
- Ferdinand III of Tuscany (1769–1824, grand-duke 1791–1799 and 1814–1824)
Famous quotes containing the words ferdinand and/or iii:
“I fairly confess that, acting as nature and simplicity dictated, no sooner did I see the once loved bosom of my Ferdinand free from those deformed demons which had crept in and filled up the vacant space, than beholding my natural home once more the seat of innocence and truth, my heart joyfully danced into its delightful abode.”
—Sarah Fielding (1710–1768)
“The army is the true nobility of our country.”
—Napoleon Bonaparte III (1808–1873)