Family name Kachanovskiy (Качановский 
, Kachanovskiy 
) , throughout the world, is quite a rare last name. The family name Kachanovskiy 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 |
| Kachanovskiy | Belarus, India, Estonia, United States, Ukraine |