Vratislav Mazák (Czech pronunciation: [ˈvracɪslaf ˈmazaːk]; June 22, 1937 – September 9, 1987) was a Czech biologist. He specialised in paleoanthropology, mammalogy and taxonomy, and he was also a painter, often illustrating his books about animals and men.
Born at Kutná Hora, he was a professor at the Charles University's Faculty of Science and also worked as a zoologist at the Prague National Museum. With Colin Groves, Mazák , named, and classified the early hominin Homo ergaster. He also described the tiger subspecies Panthera tigris corbetti.
He died in Prague.