Surname Osadovskiy (Osadovskiy 
, Осадовский 
) , all over the world, is a very rare cognomen. The cognomen Osadovskiy is habitual in Eastern Europe, particularly Belarus, where it is a very rare surname, Russia, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Osadovskiy | Ukraine |
| Осадовский | Russia, Belarus |