Cognomen Diá (ジア 
, Diá 
) , globally, is a rare family name. The surname Diá is habitual in Eastern Asia, particularly Japan, where it is a very rare surname. Much less frequently, Diá is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ジア | Japan |
| Diá | Brazil |
|
francisco diá Brazilian football manager, BR (b. 1955) |
|