Surname Kochanovsky (Kochanovsky 
, Кочановский 
) , in the world, is a rare family name. The last name Kochanovsky is habitual in Belarus, where it is a rare surname, Russia, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kochanovsky | United States, Israel |
| Кочановский | Russia, Kazakhstan, Belarus |