Globally, Oana Mihaela (Oana Mihaela 
) is a rare girly forename. The forename Oana Mihaela is characteristic of Eastern Europe, particularly Romania, where it is quite a rare girly name. Much less frequently, Oana Mihaela is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Oana Mihaela | Brazil, Romania, Italy, Germany |