Surname Kachanovsky (Качановский 
, Kachanovsky 
) , in the world, is quite a rare cognomen. The surname Kachanovsky is habitual in Belarus, where it is quite a common surname, Kazakhstan, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Качановский | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Kachanovsky | Brazil, Argentina, Canada, United States, Russia |