Cognomen Grudskiy (Grudskiy 
, Грудский 
) , throughout the world, is a rare last name. The family name Grudskiy is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, Russia, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Grudskiy | United States |
| Грудский | Russia, Ukraine, Belarus |