Cognomen Giggio (Giggio 
) , in all the world, is a very rare family name. The cognomen Giggio is habitual in Italy, where it is a very rare surname, Argentina, where it is an extremely rare surname, and Brazil. More frequently, Giggio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giggio | Brazil, Italy, United States, Argentina |