Cognomen Sampedro Dueñas (Sampedro Dueñas 
) , around the globe, is an extremely rare family name. The family name Sampedro Dueñas is habitual in Ecuador, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sampedro Dueñas | Spain, Ecuador |