Surname Kazanovskii (Kazanovskii 
, Казановский 
) , in the world, is a rare cognomen. The cognomen Kazanovskii is habitual in Belarus, where it is a rare surname, Kazakhstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kazanovskii | Russia, Kazakhstan |
| Казановский | Russia, Ukraine, Kazakhstan, Belarus |