Last name Milskaya (Milskaya 
, Мильская 
) , in all the world, is a rare surname. The family name Milskaya is habitual in Russia, where it is a very rare surname, Kazakhstan, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Milskaya | United States, Russia |
| Мильская | Kazakhstan, Russia |