Cognomen Rodnikova (Родникова 
, Rodnikova 
) , worldwide, is quite a rare last name. The last name Rodnikova is characteristic of Russia, where it is a rare surname, Kazakhstan, and Kyrgyzstan, where it is a very rare surname. Measured by absolute frequency, it is commonest in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Родникова | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Rodnikova | Russia, South Africa, United States, Ukraine, Israel |