Across the world, Betty Rosalia (Betty Rosalia 
) is a very rare largely girly, but uncommonly male given name. The given name Betty Rosalia is habitual in Latin America and the Caribbean, particularly Peru, where it is a very rare feminine name. Very seldom, Betty Rosalia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Betty Rosalia | Peru, Venezuela, Spain, Chile, Ecuador |