Cognomen Calero Peña (Calero Peña 
) , in all the world, is a very rare last name. The cognomen Calero Peña is characteristic of Ecuador, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Calero Peña | Spain, Ecuador |
Jose, Jean, Josue Alexander, and Maria Del Carmen