Cognomen Modorskii (Modorskii 
, Модорский 
) , in the entire world, is a very rare family name. The cognomen Modorskii is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Modorskii | Russia |
| Модорский | Russia, Belarus |