Family name Diaz Alvares (Diaz Alvares 
) , all over the world, is a very rare cognomen. The last name Diaz Alvares is habitual in Latin America and the Caribbean, particularly Uruguay, where it is a rare surname, Colombia, where it is a very rare surname, and Ecuador.
| VARIANT | COUNTRY |
|---|---|
| Diaz Alvares | Spain, Uruguay, Colombia, Ecuador |