Family name Mariana Valeria (Mariana Valeria 
) , around the globe, is a very rare surname. The family name Mariana Valeria is characteristic of Romania, where it is a rare surname, and Chile, where it is a very rare surname. More frequently, Mariana Valeria is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mariana Valeria | Romania, Argentina, Spain, Chile, Ecuador |