| Prince Franz Seraph von Orsini-Rosenberg | |
| Birth Date: | 1761 10, df=yes |
| Birth Place: | Graz, Austria |
| Death Place: | Vienna, Austria |
| Allegiance: | Austrian Empire |
| Branch: | Cavalry |
| Serviceyears: | 1780 - 1830 |
| Rank: | General of Cavalry |
| Relations: | House of Orsini-Rosenberg |
Prince Franz Seraph von Orsini-Rosenberg (18 October 1761 - 4 August 1832) was born a member of Orsini-Rosenberg family, son of Prince Vinzenz Fererius von Orsini-Rosenberg and Maria Juliana, Countess von Stubenberg.
He joined the army of Habsburg Austria and fought against the Ottoman Turks, winning a prestigious award for bravery. In the 1790s, he served in the wars against the First French Republic and received promotion to general officer. During the Napoleonic Wars he led a division in 1805 and an army corps in 1809. He became a member of the Hofkriegsrat (Aulic Council) in 1811. He was the Proprietor (Inhaber) of an Austrian light cavalry regiment from 1801 until his death.[1]
At the Battle of Wagram, Rosenberg commanded the IV Armeekorps on the left flank.[2]