Karel (or Karol ou Karl or Carolus) Brančik (or Brančsik) (13 March 1842, Stará Bystrica -18 November 1915, Trenčín) was a Hungarian doctor and naturalist. He practised medicine at Trenčín and was interested in entomology, malacology and botany. In 1913 he founded the muuseum at Trenčín. He made a large collection of Coleoptera which was acquired by the Vienna entomologist Eduard Knirsch (1869–1955) before his collection was acquired by the Field Museum of Natural History, Chicago.
- Anthony Musgrave (1932). Bibliography of Australian Entomology, 1775–1930, with biographical notes on authors and collectors, Royal Zoological Society of News South Wales (Sydney) : viii + 380.
- Guido Nonveiller (2001). Pioneers of the Research on the Insects of Dalmatia. Croatian Natural History Museum (Zagreb) : 390 p.
- translated from French Wikipedia