Louis Thiroux de Crosne (14 July 1736 - 28 April 1794) was Lieutenant général de Police (Chief of the Police) in Paris from 1785 to the beginning of the French Revolution.
He was executed on 28 April 1794 during the Reign of Terror.
Prior to becoming Chief of the Police in Paris he was Intendant de la généralité of Rouen from 1767.