Surname Shadskii (Shadskii 
, Шадский 
) , all over the world, is quite a rare cognomen. The family name Shadskii is habitual in Russia, where it is a rare surname, Belarus, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Shadskii | Russia |
| Шадский | Kazakhstan, Russia, Belarus |