Franciszek Salezy Jezierski (1740–1791) was a Polish writer, social and political activist of the
Enlightenment period. A Catholic priest, he was involved with the creation of the
Commission of National Education. Member of the
Hugo Kollataj's
Forge. Librarian of the
Jagiellonian University. Supporter of the radical reforms, he attacked the privileges of the nobility (even through he was a petty noble himself) and supporter the causes of burghers and peasants.