Cognomen Oana-Luiza (Oana-Luiza 
) , around the world, is an extremely rare last name. Predominantly, Oana-Luiza is the forename as well as the last name. Parts of the name also exists independently as a first name Oana, and a first name Luiza.
| VARIANT | COUNTRY |
|---|---|
| Oana-Luiza | Romania |