Ferdinand Karl Archduke of Austria Este
- Category : Notable-Famous-Royal-family
- Type : GP
- Profile : 2/4 - Hermit / Opportunist
- Definition : Split - Small (2,34)
- Incarnation Cross : RAX Laws 2
Modenesi prince by birth and Archduke of Austria-Este by marriage. He was the second son of Francis IV of Modena and his wife Maria Beatrice of Savoy. Ferdinand married Archduchess Elisabeth Franziska of Austria, daughter of Archduke Josef Anton of Austria, on 4 December 1846 in the Schönbrunn Palace in Vienna. Elisabeth and Ferdinand had one daughter, Maria Theresa of Austria-Este (1849–1919), who became the last Queen of Bavaria. Ferdinand, who was a Feldmarschalleutnant (Austrian "two stars" general rank), died at Brno on 15 December 1849 at the age of 28 from typhus.