Cognomen Piedra Cueva (Piedra Cueva 
) , around the globe, is a very rare last name. The cognomen Piedra Cueva is characteristic of Uruguay, where it is quite a rare surname, Ecuador, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Piedra Cueva | Spain, Ecuador, Uruguay |