Boris Yevseyevich Bychowsky (Борис Евсеевич Быховский, 27 August 1908 – 26 January 1974) was a Soviet scientist and parasitologist, specialist of fish parasites, especially monogeneans.

[1][2][3][4] He was director of the Institute of Zoology of the Academy of Sciences of the Soviet Union in Leningrad (1962–1974).

Bychowsky is the author of more than 100 scientific publications, mostly on systematics of monogeneans.

[5] His most famous work was his monography on monogeneans (1957), which was translated into English in 1961.

In addition to all these fish parasites, the biting midge Culicoides bychowskyi Dzhafarov, 1964 (Ceratopogonidae, Diptera) was also named after Bychowsky.