Surname Korniychuk (Korniychuk 
, Корнийчук 
) , globally, is a rare last name. The surname Korniychuk is characteristic of Slovenia, where it is a rare surname, Russia, and Belarus. Not in comparison with a country's population, it is the most numerous in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Korniychuk | Spain, United States, Poland, Slovenia, Ukraine |
| Корнийчук | Kazakhstan, Russia, Ukraine, Belarus |
| aleksey korniychuk researcher |
|
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| viktoria korniychuk Ukrainian association football player, UA (b. 1996) |
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Mr, Yulia, Yulya, Yuriy, Marina, Sergiy, Sergey, Andrew, Andrey, Andriy, Bogdan, Bohdan, Ruslan, Dmitry, Dmytro, Larysa, Nikita, Eugene, Victor, Viktor, Larissa, Lionila, Olena, Tatyana, Iryna, Vadim, Ms, Mila, Alla, Anna, Dima, Nata, Nina, Vlad, Inna, Ilya, Ivan, Igor, Iwan, Olga, Oleh, Sasha, Alina, Roman, Denis, Lidia, Elena, Irina, and Tetyana