Throughout the world, Guy-Marveil (Guy-Marveil 
) is a rare boy's given name. The first name Guy-Marveil is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare boy's name. Parts of the name also exists independently as a first name Guy, and a first name Marveil.
| VARIANT | COUNTRY |
|---|---|
| Guy-Marveil | Democratic Republic of the Congo |