Last name Grudskii (Grudskii 
, Грудский 
) , in the world, is a rare family name. The surname Grudskii is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, Russia, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Grudskii | Russia |
| Грудский | Russia, Ukraine, Belarus |