Last name Delia Rosalba (Delia Rosalba 
) , throughout the world, is an extremely rare family name. The last name Delia Rosalba is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Delia Rosalba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delia Rosalba | Mexico, Chile, Argentina |