Globally, Mariela Loreto (Mariela Loreto 
) is a rare girly forename. The first name Mariela Loreto is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare feminine name. Much less frequently, Mariela Loreto is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mariela Loreto | Chile |