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Cognomen Oleynichenko (Олейниченко
, Oleynichenko
) , globally, is quite a rare last name. The surname Oleynichenko is characteristic of Kazakhstan, where it is quite a rare surname, Ukraine, where it is a rare surname, and Russia. In absolute terms, it most frequently occurs in Russia, Ukraine, and Uzbekistan.
| VARIANT | COUNTRY |
|---|---|
| Олейниченко | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Oleynichenko | Ukraine, Uzbekistan, United States, Russia |