Cognomen Михаиловский (Михаиловский 
, Mihailovskii, Mikhailovskiy 
) , in the world, is a rare surname. The cognomen Михаиловский is habitual in Czechia, where it is a rare surname, Russia, and Finland, where it is a very rare surname. Very seldom, Михаиловский is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Михаиловский | Kazakhstan, Russia |
| Mikhailovskiy | Kazakhstan, Russia, Czechia, Finland, Ukraine |