Surname Kosovskiy (Косовский 
, Kosovskiy 
) , all around the world, is a rare last name. The last name Kosovskiy is habitual in Belarus, where it is a rare surname, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Косовский | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Kosovskiy | Romania, United States, Ukraine |