François Léon Ormancey was a French general in the French Revolutionary Wars and the Napoleonic Wars. He was part of the French Order of Battle at the Battle of Caldiero, in which he commanded the third brigade of Jean Antoine Verdier's II. Division. He was born 2 August 1754 and died 22 July 1824. Effective 29 October 1808, he was created a Baron of the Empire, with letters patent dated 25 May 1811.