Cognomen Betty Rosalia (Betty Rosalia 
) , across the world, is an extremely rare family name. The surname Betty Rosalia is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more prevalently, Betty Rosalia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Betty Rosalia | Spain, Peru, Venezuela, Chile, Ecuador |