Family name Acuña Caro (Acuña Caro 
) , across the world, is a very rare last name. The cognomen Acuña Caro is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Acuña Caro | Chile |
Adalberto, Jose Luis, Brayhan Steven, Jonathan Felix, and Dagoberto Antonio