Cognomen Miajas (Miajas 
) , in the world, is a very rare family name. The last name Miajas is habitual in Philippines, where it is a very rare surname, and Spain, where it is an extremely rare surname. Much less frequently, Miajas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Miajas | India, Spain, Philippines |