Last name Leontev (Леонтьев 
, Леонтев , Leontev 
) , across the world, is a common surname. The family name Leontev is habitual in Russia, where it is quite a common surname, Kazakhstan, where it is quite a rare surname, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Леонтьев | Kazakhstan, Uzbekistan, Russia, Belarus, Ukraine |
| Леонтев | Kazakhstan, Russia, Ukraine |
| Leontev | Russia, Ukraine, United States, Finland, Germany |
| Леоньтьев | Russia, Ukraine |
| mikhail sergeevich leontev RU (b. 1966) |
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| leontev oleg researcher |
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Mr, Vadim, Fedor, Yuriy, Maksim, Mihail, Sergey, Sergei, Sergej, Alexey, Andrei, Andrey, Bogdan, Kirill, Dmitri, Dmitry, Leonid, Nikita, Edward, Evgeny, Valery, Vasily, Vanya, Danil, Denis, Roman, Max, Art, Mark, Stas, Alex, Dima, Egor, Vlad, Ilya, Ivan, Victor, Igor, Oleg, Yuri, Yura, Maxim, Misha, Semen, Slava, Anton, Artem, Pavel, Olga, and Viktor