Family name Grozovskii (Grozovskii 
, Грозовский 
) , throughout the world, is a rare cognomen. The cognomen Grozovskii is characteristic of Russia, where it is a rare surname, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Grozovskii | Russia |
| Грозовский | Kazakhstan, Russia, Belarus |
Грозовський, and Грозьовський