August Bernhard Brauer (3 April 1863 – 10 September 1917) was a German zoologist. Brauer was born in Oldenburg. He studied natural sciences at the Universities of Bonn, Berlin and Freiburg, obtaining his doctorate in 1895 with a thesis on the ciliate- Bursaria truncatella titled Bursaria truncatella unter Berücksichtigung anderer Heterotrichen und der Vorticellinen. In 1892 he received his habilitation at the University of Marburg, where he subsequently worked as a lecturer. In 1894–95 he conducted scientific studies in the Seychelles. He died in Berlin.