Sergei Mikhailovich Volnukhin (1859–1921) was a Russian sculptor, best known for his instruction to a generation of Russian artists at the Moscow School of Painting, Sculpture and Architecture, teaching alongside Prince Paolo Troubetzkoy.

Volnukhin was born at 1859 in Moscow, in the family of a merchant. Studied at the Moscow school of painting, sculpture and architecture (MUZHVZ, 1873-1881 and 1883-1886), and also at the St. Petersburg Academy of arts (1882). He lived in Moscow. ^[1]

Among Volnukhin's students:^[2]

• Anna Golubkina (1889-1890)
• Sergey Konenkov (1892-1896)
• Nikolay Andreyev (1892-1901)
• Alexander Matveyev (1899-1902)
• Natalia Goncharova (1901-1904)
• Stepan Erzia (1902-1906)
• Aleksei Babichev (1907-1912)
• Boris Korolev (circa 1910)
• Isaac Itkind (1912-1913)
• Arkady Plastov (1914-1917)

Notable among his own work is the 1909 monument to Ivan Fyodorov in Moscow (with architect Ivan Mashkov.) Volnukhin's papers are held at the Tretyakov Gallery.

• Doronina, Lyudmila N. (2008). Мастера русской скульптуры XVIII–XX веков. Скульптура XVIII–XIX веков (in Russian). Moscow: Belyi Gorod. pp. 387–391. ISBN 978-5-7793-1404-6. OCLC 259743748.
• Konenkova, Alla K. (2021). "Скульптор Сергей Михайлович Волнухин. Страницы биографии". In Konenkova, Alla K.; Mikhaylova, Svetlana I. (eds.). Христианская культура и славянский мир. Сборник трудов конференции (collected papers) (in Russian). Moscow: Kosygin University. pp. 62–79. ISBN 978-5-00181-211-1.

• Sergei Volnukhin at the Russian Academy of Arts' official website (in Russian)