Surname Олейникова (Олейникова 
, Oleynikova 
, Oleinikova 
) , all around the world, is a common cognomen. The family name Олейникова is characteristic of Russia, where it is quite a rare surname, Kazakhstan, and Kyrgyzstan. In absolute terms, the name is most common in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Олейникова | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Oleynikova | Germany, Russia, Italy, United States, Ukraine |
| Oleinikova | Russia, Czechia, Georgia, Belarus, United States |
| Olejnikova | Germany, Czechia, Belarus, United States, Slovakia |
| олейникова, пелагея гавриловна UA (b. 1910) |
|
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| олейникова, елена анатольевна Russian triple jumper, RU (b. 1976) |
|
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| юлия олейникова RU |
|
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| олейникова, евгения сергеевна Ukrainian swimmer, UA (b. 1994) |
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