Surname Erna Margarita (Erna Margarita 
) , around the world, is a very rare last name. The last name Erna Margarita is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Erna Margarita is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erna Margarita | Chile, Peru |