Last name Carolina Eugenia (Carolina Eugenia 
) , in the entire world, is a rare cognomen. The surname Carolina Eugenia is habitual in Chile, where it is quite a rare surname, and Spain, where it is an extremely rare surname. More frequently, Carolina Eugenia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Carolina Eugenia | Peru, Spain, Chile, Ecuador, Costa Rica |