Cognomen Radzikovsky (Radzikovsky 
, Радзиковский 
) , around the world, is a very rare last name. The last name Radzikovsky is characteristic of Russia, where it is a very rare surname, Kazakhstan, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Radzikovsky | Canada |
| Радзиковский | Ukraine, Russia, Kazakhstan |