Surname Rodnov (Роднов 
, Rodnov 
) , in the entire world, is quite a rare cognomen. The family name Rodnov is characteristic of Russia, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Belarus. In absolute terms, it most frequently occurs in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Роднов | Kazakhstan, Russia, Ukraine, Belarus |
| Rodnov | Georgia, Russia, Lithuania |