Cognomen Samaniego Diaz (Samaniego Diaz 
) , in the entire world, is a very rare surname. The surname Samaniego Diaz is habitual in 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 |
|---|---|
| Samaniego Diaz | Chile, Spain, Ecuador |