Florent Dumontet de Cardaillac was an 18th-century French Catholic priest who served as a canon and vicar general for the Diocese of Castres. Born into a noble family in Saint-Méard, he also acted as the confessor to the Count of Provence and his wife. During the French Revolution, he refused to take the oath required by the Civil Constitution of the Clergy, which led to the loss of his official positions. He eventually died in 1794 while being held captive during the Reign of Terror.