Heinrich August Fielitz M.D. (28 April 1797 – 4 October 1877) was a German orthodox physician who converted to homeopathy, to become a member of the Homeopathic Society for Upper Lusitania and Silesia, and the President of the Society of German Homeopathic Practitioners.
Heinrich August Fielitz was the son of Dr. Friedrich Gottlieb Heinrich Fielitz the Younger. After attending school in Luckau and Görlitz, he studied at the universities of Leipzig and Halle, where he received his doctorate in 1819.
In 1832, Fielitz joined the Homeopathic Society for Upper Lusitania and Silesia, alongside Eckert, Engelhardt, Lerner, Clotar Moritz Mueller, Neumann, Schindler, Schmieder, J A Schubert, Schulze, Oscar D Tietze, Weigel,