Cognomen גיאה (Ghia 
, גיאה 
) , in the world, is quite a rare last name. The cognomen גיאה is habitual in Italy, where it is quite a rare surname, Lebanon, and Romania, where it is a rare surname. Measured by absolute frequency, the name is most common in India, Italy, and Argentina. Also, גיאה is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ghia | Indonesia, Italy, Philippines, India, Argentina |
| גיאה | Israel |