Cognomen Mi-Ay (Mi-Ay 
) , around the world, is an extremely rare surname. The cognomen Mi-Ay is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname. Likewise, Mi-Ay is the forename as well as the last name. Parts of the name also exists independently as a last name Mi, and a last name Ay.
| VARIANT | COUNTRY |
|---|---|
| Mi-Ay | Philippines |