Surname Milaia (Милая 
, Milaia 
) , around the world, is a rare family name. The cognomen Milaia is habitual in Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan. Very seldom, Milaia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Милая | Kazakhstan, Russia, Belarus, United States, Ukraine |
| Milaia | Brazil, Russia, Georgia, Philippines |