Last name Gigia (Gigia 
, جيجا 
, Gijón 
) , across the world, is a rare surname. The last name Gigia is habitual in Georgia, where it is a rare surname, Spain, and Egypt. In absolute terms, it is commonest in Egypt, Spain, and Sudan. Also, Gigia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gigia | United States, Spain, Georgia, Mexico, Italy |
| جيجا | Sudan, Egypt |
| Gijón | Argentina, United States, Spain, Mexico, Chile |