Cognomen Zhernovnikova (Жерновникова 
, Zhernovnikova 
) , around the globe, is a rare surname. The surname Zhernovnikova is habitual in Kazakhstan, where it is a rare surname, Russia, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Жерновникова | Kazakhstan, Russia, Kyrgyzstan, Ukraine |
| Zhernovnikova | Russia, Spain |