Family name Guy-Guy (Guy-Guy 
) , worldwide, is an extremely rare last name. The cognomen Guy-Guy is characteristic of South-eastern Asia, particularly Philippines, where it is an extremely rare surname. Predominantly, Guy-Guy is the forename as well as the last name. Parts of the name also exists independently as a first name Guy, and a first name Guy.
| VARIANT | COUNTRY |
|---|---|
| Guy-Guy | Democratic Republic of the Congo, France, Philippines |