François-Amilcar Aran (12 July 1817, in Bordeaux – 22 February 1861, in Paris) was a French physician. He studied medicine in Bordeaux and received his doctorate in Paris with a thesis on heart palpitations. In Paris he subsequently became a hospital physician and a professor agrégé. He worked as a deputy physician to Léon Louis Rostan at the Hôtel-Dieu, where he held popular clinical lectures. He also distinguished himself in his work performed at the Hôpital Saint-Antoine.