Last name Acuña Milla (Acuña Milla 
) , throughout the world, is an extremely rare cognomen. The cognomen Acuña Milla is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname, and Argentina, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Acuña Milla | Argentina, Chile |