Cognomen Modzalevskii (Modzalevskii 
, Модзалевский 
) , across the world, is a very rare surname. The surname Modzalevskii is characteristic of Russia, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Modzalevskii | Russia |
| Модзалевский | Kazakhstan, Russia |