Ferdinand I (19 April 1793 – 29 June 1875) is Emperor of Austria, President of the German Confederation, King of Hungary and Bohemia (as Ferdinand V), as well as associated dominions from the death of his father, Francis II, Holy Roman Emperor, until his abdication after the Revolutions of 1848.

He marries Maria Anna of Savoy, the sixth child of Victor Emmanuel I of Sardinia.

They hadve no issue.

Ferdinand is incapable of ruling his empire because of his mental deficiency, so his father, before he dies, drafts a will promulgating that he consult Archduke Louis on every aspect of internal policy, and urges him to be influenced by Prince Metternich, Austria's foreign minister.

He abdicates on December 2, 1848.

He is succeeded by his nephew, Francis Joseph.

Following his abdication, he lives in Hradčany Palace, Prague, until his death in 1875.