Joseph Franz, Prince of Dietrichstein (28 March 1798 – 10 July 1858), was a German prince, Major general, 9th Prince (Fürst) of Dietrichstein zu Nikolsburg, Count of Proskau-Leslie, Baron (Freiherr) of Hollenburg, Finkenstein and Thalberg.
Joseph Franz, Prince of Dietrichstein (28 March 1798 – 10 July 1858), was a German prince, Major general, 9th Prince (Fürst) of Dietrichstein zu Nikolsburg, Count of Proskau-Leslie, Baron (Freiherr) of Hollenburg, Finkenstein and Thalberg.