Last name Piedra Rojas (Piedra Rojas 
) , globally, is a very rare cognomen. The family name Piedra Rojas is characteristic of Ecuador, where it is a rare surname, Costa Rica, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Piedra Rojas | Costa Rica, Spain, Ecuador |