Globally, Mariana Olivia (Mariana Olivia 
) is a very rare female given name. The first name Mariana Olivia is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare female name. Much less frequently, Mariana Olivia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mariana Olivia | Ecuador, Chile, Peru |