All over the world, Mariela Luz (Mariela Luz 
) is a rare female given name. The forename Mariela Luz is characteristic of Latin America and the Caribbean, particularly Peru, where it is a rare female name, Bolivia, and Chile. Much less frequently, Mariela Luz is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mariela Luz | Bolivia, Philippines, Chile, Ecuador, Peru |