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Aleksandr Fomin (botanist) (1869–1935), Russian/Soviet botanist and academician • Aleksandr Fomin, alias of Soviet spy
Alexander Feklisov (1914–2007), known for receiving information from Julius Rosenberg and his contacts during the Cuban Missile Crisis •
Andriy Fomin (born 1977), Ukrainian Olympic speedskater •
Artyom Fomin (born 1988), Russian football player •
Boris Fomin (1900–1948), Russian composer of folk music •
Daniil Fomin (born 1997), Russian football player •
Denis Fomin (born 1996), Russian football defender •
Dmitry Fomin (born 1968), Russian Olympic volleyball player •
Fedor Fomin (born 1968), Russian/Norwegian computer scientist •
Ivan Fomin (1872–1936), a Russian/Soviet architect •
Margarita Fomina (born 1988), Russian curler •
Maxim Yurevich Fomin, real name of Vladlen Tatarsky (1982–2023), Russian-Ukrainian military blogger •
Mitya Fomin (born 1974), Russian singer, dancer and producer •
Mykola Fomin (1909–1974), Ukrainian football player •
Nikolai Fomin, chief engineer at the Chernobyl Nuclear Power Plant during the Chernobyl disaster •
Ruslan Fomin (born 1986), a Ukrainian football player •
Semyon Fomin (born 1989), Russian football player •
Sergei Fomin (1917–1975), Russian mathematician •
Sergey Fomin (born 1958), Russian/American mathematician •
Viktor Fomin (1929–2007), a Soviet football player •
Volodymyr Fomin (1902–1942), Ukrainian football player and coach •
Vyacheslav Fomin (born 1969), Russian football player •
Yefim Fomin (1909–1941), Soviet political commissar •
Yevstigney Fomin (1761–1800), Russian opera composer ==Feminine form==