Cognomen Carolina Irene (Carolina Irene 
) , globally, is a rare last name. The last name Carolina Irene is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname. More prevalently, Carolina Irene is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Carolina Irene | Spain, Peru, Ecuador, Chile, Costa Rica |