Surname Guy-Gerard (Guy-Gerard 
) , globally, is an extremely rare last name. The cognomen Guy-Gerard is habitual in Southern Europe, particularly Spain, where it is an extremely rare surname. More frequently, Guy-Gerard 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 Gerard.
| VARIANT | COUNTRY |
|---|---|
| Guy-Gerard | Spain, Canada, France |