Last name Piedra Palacios (Piedra Palacios 
) , across the world, is a very rare cognomen. The cognomen Piedra Palacios is characteristic of Ecuador, where it is a rare surname, Spain, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Piedra Palacios | Ecuador, Chile, Spain |