Surname Mariela Luisa (Mariela Luisa 
) , all around the world, is a very rare last name. The family name Mariela Luisa is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname. More prevalently, Mariela Luisa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mariela Luisa | Peru, Argentina, Bolivia, Chile, Ecuador |