Surname Carreño Acuña (Carreño Acuña 
) , in the world, is a very rare last name. The surname Carreño Acuña is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Carreño Acuña | Chile |
Constanza, and Cristina Sofia