Family name Oraia (Oraia 
) , all over the world, is a rare surname. The family name Oraia is characteristic of Greece, where it is quite a rare surname, Spain, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Oraia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oraia | United States, Greece, Spain, Brazil |