Surname Manuela Mariana (Manuela Mariana 
) , globally, is an extremely rare cognomen. The surname Manuela Mariana is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more frequently, Manuela Mariana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Manuela Mariana | Chile, Peru, Spain, Ecuador |