Cognomen Viúdez (Viúdez 
) , globally, is a very rare last name. The surname Viúdez is characteristic of Spain, where it is a very rare surname, and Argentina, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Viúdez | Argentina, Spain |
| antonio viúdez researcher (ORCID 0000-0001-8810-6851) |
|