Surname Adelaida Delfina (Adelaida Delfina 
) , worldwide, is an extremely rare last name. The surname Adelaida Delfina is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More prevalently, Adelaida Delfina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adelaida Delfina | Mexico, Chile, Peru |