Leontyev, Leontief, Leontiev, Leontjew, Leontjev, or Leont'ev ( Russian: Леонтьев) and Leontyeva (Леонтьева; feminine) is a Russian surname. Notable people with the surname include:

• Alexei Leontyev (1917–?), Soviet mathematician
• Alexei Leontyev (1716–1786), one of the first Russian sinologists
• Aleksei N. Leontiev (1903–1979), Soviet psychologist, the founder of activity theory
• Aleksei A. Leontiev (1936–2004), Soviet psychologist and linguist, one of the founders of the Soviet psycholinguistics, the son of Aleksei N. Leontiev
• Konstantin Leontiev (1831–1891), Russian philosopher
• Lev Leontiev (1901–?), Soviet economist
• Mikhail Leontiev (born 1958), Russian reporter working for Channel One
• Oleg Leontyev (1920–?), Soviet geomorphologist
• Sergei Leontiev (1879 or 1880 – after 1932), Russian politician
• Sergey Leontiev (born 1944), Vice President of Transnistria
• Valentina Leontieva (1923–2007), Soviet TV anchor
• Valery Leontiev (born 1949), Russian pop singer
• Viktor Leontyev (born 1940), Soviet Olympic gymnast
• Wassily Leontief (1905–1999), economist

Surname list

This page lists people with the surname Leontyev.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.