Sergei Tretyakov may refer to:
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Sergei Tretyakov (arts patron)
Sergei Tretyakov (1834 - 25 July 1892) was a Russian philanthropist and patron of the arts, who co-founded the Tretyakov Gallery in Moscow with his brother Pavel Tretyakov.
Tretyakov Gallery
In 1851, Tretyakov and his brother Pavel Tretyakov acq ...
(1834–1892), Russian philanthropist
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Sergei Tretyakov (writer) (1892–1937), Russian writer
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Sergei Tretyakov (intelligence officer)
Colonel Sergei Olegovich Tretyakov (Russian: Сергей Олегович Третьяков; 5 October 1956Pete Earley: ''Comrade J: The Untold Secrets of Russia's Master Spy in America After the End of the Cold War'', Penguin Books, 2007, , se ...
(1956–2010), Russian who defected to the United States
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Sergei Tretyakov (scientist)
Sergei Anatolyevich Tretyakov ( rus, Серге́й Анато́льевич Третьяко́в, p=sʲɪrˈɡʲej ɐnɐˈtolʲjɪvʲɪtɕ trʲɪtʲjɪˈkof, a=Sergei_Tretyakov_(pronunciation_in_Russian).ogg; born in 1956) is a Russian-Finnish sc ...
, Russian-Finnish scientist
{{hndis, Tretyakov, Sergei