Globally, Carolina Antonia (Carolina Antonia 
) is a rare girly forename. The given name Carolina Antonia is characteristic of Chile, where it is quite a rare girly name, Peru, where it is a very rare girly name, and Spain, where it is a very rare predominantly female, but very infrequently boy's name. Much less frequently, Carolina Antonia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Carolina Antonia | Peru, Spain, Chile, Ecuador, Costa Rica |