Cognomen Мильо (Мильо 
, Miglio 
, Milyo 
) , globally, is quite a common last name. The last name Мильо is characteristic of Bulgaria, where it is quite a rare surname, Italy, and Paraguay. Measured by absolute frequency, it most frequently occurs in Italy, Argentina, and France. Much less frequently, Мильо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Мильо | Kazakhstan, Ukraine, Russia, Bulgaria |
| Miglio | Italy, Paraguay, United States, Argentina, France |
| Milyo | Hungary, Spain, Bulgaria, United States, Algeria |
| Millaud | Canada, United States, France |