Franz Joseph, Prince of Dietrichstein (Franz Seraph Joseph Carl Johann Nepomuc Quirin; 28 April 1767 – 10 July 1854), was a German prince, member of the House of Dietrichstein, Major general, 8th Prince (Fürst) of Dietrichstein zu Nikolsburg, Count of Proskau-Leslie, Baron (Freiherr) of Hollenburg, Finkenstein and Thalberg.