Ludwig Ganglbauer (1 October 1856, Vienna- 5 June 1912, Rekawinkel, near Kaltenbach Lower Austria), was an Austrian entomologist who specialised in Coleoptera.He became director of the Department for Zoology at the Vienna Natural History Museum in 1906.Ganglbauer wrote Die Käfer von Mitteleuropa (Beetles of Central Europe), 4 vols., 1892-1904.