Cognomen Guy-Marveil (Guy-Marveil 
) , throughout the world, is an extremely rare family name. Much more prevalently, Guy-Marveil 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 Marveil.
| VARIANT | COUNTRY |
|---|---|
| Guy-Marveil | Democratic Republic of the Congo |