Family name גדיאה (Gadea 
, גדיאה 
) , all around the world, is a common cognomen. The surname גדיאה is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is quite a common surname, Uruguay, and Paraguay. In absolute terms, it is commonest in Latin America and the Caribbean, particularly Nicaragua, Argentina, and Paraguay. Much less frequently, גדיאה is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gadea | Uruguay, Paraguay, Nicaragua, Spain, Argentina |
| גדיאה | Israel |