Semyonov (masculine), also transliterated as Semenov, Semenoff, and Semionov (Russian: Семёнов), or Semyonova (Semenova, Semionova; feminine) is a common Russian last name. It is derived from the Russian male name Semyon (related to Simeon, Simon) and literally means Semyon's. It is transliterated in Estonian and Latvian as Semjonov.

• Semyonov, Russia, several places in Russia

• Alexander Semyonov (disambiguation), several people
• Alexey Semyonov (disambiguation), several people
• Andrey Semyonov (disambiguation), several people
• Arkadiy Semyonov (born 1959), Russian poet
• Grigory Ivanovich Semyonov, former Socialist Revolutionary who became a Bolshevik chekist
• Grigory Mikhaylovich Semyonov, Commander of the White Army, an ataman
• Ivan Semyonov (disambiguation), several people
• Konstantin Semyonov (born 1969), former Soviet Israeli pole vaulter
• Ksenia Semyonova, Russian artistic gymnast
• Marina Semyonova, Russian prima ballerina
• Mikhail Semyonov (disambiguation), several people
• Nikolay Semyonov, Russian/Soviet physicist and chemist
• Semyon Semyonov, Russian KGB case officer
• Svetlana Semyonova, Russian rower
• Valery Semyonov
• Vladimir Semyonov (general) (born 1940), first president of the Karachay-Cherkess Republic, Russia
• Vladimir Semyonov (diplomat), Soviet diplomat and party figure
• Yulian Semyonov, Russian writer of spy fiction
• Yuno Semyonov (1899–1961), Soviet prose writer, playwright and artistic director
• Andrey Semyonov-Tyan-Shansky, Russian/Soviet entomologist and explorer
• Pyotr Semyonov-Tyan-Shansky, Russian geographer and explorer

• Aleksandra Semenova (born 1998), Russian rhythmic gymnast
• Ekaterina Semenova, Russian actress
• Oleksiy Semenov (born 1982), Ukrainian discus thrower
• Tatiana Semenova, Russian-American ballet dancer
• Zinaida Semenova (born 1962), Russian long-distance runner
• Andrey Aldan-Semenov, Russian writer and political prisoner

• Uljana Semjonova, Soviet Latvian basketball player

• Alexander Semionov, Russian painter
• Polina Semionova, Russian ballet dancer

This disambiguation page lists articles associated with the title Semyonov.
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