Last name Kalachev (Калачев 
, Калашев 
, Калачёв ) , worldwide, is a common family name. The last name Kalachev is habitual in Eastern Europe, particularly Russia, where it is quite a rare surname, Bulgaria, and Belarus. Not in comparison with a country's population, it most frequently occurs in Russia, Kazakhstan, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Калачев | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
| Калашев | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Калачёв | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Kalachev | Russia, Estonia, Belarus, Bulgaria, Israel |
| petar kalachev bulgarian communist, GR (b. 1890) |
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| yurii l kalachev researcher |
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| alexander v. kalachev researcher |
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| leonid v. kalachev Ph.D. Lomonosov Moscow State University 1987 |
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Mr, Dinko, Tanio, Eldar, Vasil, Vadim, Yavor, Martin, Matvey, Maksim, Mihail, Sergey, Sergei, Alexey, Andrew, Andrey, Kirill, Ruslan, Daniel, Dmitry, Georgi, Leonid, Danil, Denis, Roman, Petko, Den, Lev, Serg, Alex, Dima, Nuri, Egor, Vlad, Ilya, Ivan, Nikita, Igor, Yury, Meriy, Angel, Anton, Artem, Boris, Kiril, Pasha, Pavel, Petar, Oleg, and Evgeny