Family name Amaya-Diaz (Amaya-Diaz 
) , across the world, is an extremely rare cognomen. The family name Amaya-Diaz is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Amaya, and a last name Diaz.
| VARIANT | COUNTRY |
|---|---|
| Amaya-Diaz | United States |