Franz von Klebelsberg zu Thumburg (Franz Graf von Klebelsberg Freiherr zu Thumburg) (24 July 1774 - 28 December 1857) was a Bohemian nobleman, official of the Austrian Empire, governor of Lower Austria and president of the Hofkammer.
He was born and died in Trebívlice.
He also owned a significant collection of coins, medals and engravings.