Last name מיקיו (Mikio 
, מיקיו 
) , in all the world, is quite a rare cognomen. The family name מיקיו is characteristic of Japan, where it is quite a rare surname, Taiwan, where it is a rare surname, and the Democratic Republic of the Congo. Measured by absolute frequency, this name is the most popular in Japan, China, and the Democratic Republic of the Congo. Also, מיקיו is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mikio | Japan, China, Taiwan, Brazil, Democratic Republic of the Congo |
| מיקיו | Israel |