Surname Нефедова (Нефедова 
) , across the world, is a common cognomen. The surname Нефедова is habitual in Russia, where it is quite a common surname, Kazakhstan, where it is quite a rare surname, and Belarus. In absolute terms, it is commonest in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Нефедова | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| ольга валентиновна нефедова BY (b. 1970) |
|