Surname Kachanovskij (Качановский 
, Kachanovskij 
) , all over the world, is quite a rare last name. The cognomen Kachanovskij is characteristic of Belarus, where it is quite a common surname, Kazakhstan, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Качановский | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Kachanovskij | Germany, Belarus |