Worldwide, Diaz-Fernandez (Diaz-Fernandez 
) is an extremely rare unknown gender first name. Much more frequently, Diaz-Fernandez is the last name as well as the forename. Parts of the name also exists independently as a last name Diaz, and a last name Fernandez.
| VARIANT | COUNTRY |
|---|---|
| Diaz-Fernandez | Argentina, France, United Kingdom, United States |