Family name Rychkov (Рычков 
, Рышков , Rychkov 
) , around the world, is quite a common last name. The cognomen Rychkov is habitual in Russia, where it is quite a rare surname, Belarus, and Kazakhstan. Measured by absolute frequency, this name is the most popular in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Рычков, Рышков | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Rychkov | Russia, Spain, Estonia, Belarus, United States |
| Ричков | Kazakhstan, Russia, Belarus, Bulgaria, Ukraine |
| grigori y rychkov researcher |
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| dmitry rychkov researcher (ORCID 0000-0002-2314-8206) |
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| denis a rychkov researcher |
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| valentin rychkov researcher ORCID ID = 0000-0003-2825-9076 |
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| sergei rychkov researcher |
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| oleg rychkov chess player (b. 1995) |
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Mr, Alexey, Andrei, Andrey, Cheryl, Kirill, Kyrylo, Ruslan, Daniil, Dmitry, Dmytro, German, Leonid, Nikita, Evgeny, Eugene, Victor, Ievgen, Mikhail, Aleksey, Anthony, Claudia, Stepan, Sergei, Sergey, Maksim, Alex, Ilya, Ivan, Igor, Oleg, Yuri, Yura, Yury, Maxim, Maxym, Dmitriy, Slava, Artem, Boris, Pavel, Roman, Denis, Eugen, Vadim, Fedor, Ignat, Yuriy, Anton, and Tatyana