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In all the world, Mio (Mio
, ミオ
, ميو
, among others...) is quite a common gender-neutral first name. The first name Mio is characteristic of Macao, where it is quite a common female name, Hong Kong, where it is quite a rare unisex name, and Puerto Rico, where it is quite a rare female name. Not in comparison with a country's population, the name is most common in Indonesia, Japan, and Egypt. More prevalently, Mio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mio | Italy, Malaysia, Japan, Indonesia, Peru |
| ミオ | Japan |
| ميو | Saudi Arabia, Iraq, Egypt, Sudan, Libya |
| Мио | Kazakhstan, Armenia, Russia |
Mio is also a name for the fictitious and mythical characters: Mio Akiyama , the fictional character from K-On!; Mio Mizukoshi , the fictional character from Ryūō no Oshigoto! and Mio , the fictional character appearing in the movie « Kamataki ».