Feodosy Nikolayevich Chernyshov (Russian: Феодо́сий Никола́евич Чернышёв; 24 September [O.S. 12 September] 1856 – 15 January [O.S. 2 January] 1914) was a geologist and a paleontologist. Chernyshov was an Honorary Member of Russian and Foreign Learned Societies. Graduate of St. Petersburg Mining Institute in 1880, his field surveys led him to the study of stratigraphy of paleozoic deposits in the Ural Mountains. In 1892, he directed the mapping of the Donbas area and geologic maps of the southern Uraks and Timan. He later, in 1900, became the director of the Geologic Museum.
