Cognomen Gaster Guido (Gaster Guido 
) , globally, is an extremely rare surname. The surname Gaster Guido is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Likewise, Gaster Guido is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaster Guido | Chile |