Family name Korol'Kov (Корольков 
, Korol'Kov 
) , in the entire world, is a common cognomen. The family name Korol'Kov is habitual in Belarus, where it is quite a rare surname, Russia, and Kazakhstan. Not in comparison with a country's population, the name is most common in Eastern Europe, particularly Russia, Ukraine, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Корольков | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Korol'Kov | Russia, Bulgaria, Belarus |
| jaroslav i. korol'kov botanist (1843-1933), RU (b. 1843) |
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| oleg gennadievich korol'kov Ph.D. Voronezh State University 2010 |
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