Cognomen Sonia Eleonora (Sonia Eleonora 
) , worldwide, is an extremely rare last name. The family name Sonia Eleonora is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, Sonia Eleonora is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sonia Eleonora | Ecuador, Chile |