Baron Ernst Gideon von Laudon (originally Laudohn or Loudon) (February 2, 1717 –  July 14, 1790) is an Austrian generalisimo, one of the most successful opponents of the Prussian king Frederick the Great, allegedly lauded by Alexander Suvorov as his teacher.

He serves the position of military governorship of Habsburg Serbia from his capture of Belgrade in 1789 until his death, cooperating with the resistance fighters of Koča Anđelković.