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Cognomen Ruidíaz (Ruidíaz
, Руидиас) , globally, is a very rare family name. The surname Ruidíaz is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Chile, and Peru, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruidíaz | Spain, Colombia, Chile, Argentina, Peru |