Cognomen Gramboute (Gramboute 
) , all over the world, is a rare surname. The family name Gramboute is habitual in Ivory Coast, where it is quite a rare surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Gramboute is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gramboute | United States, Brazil, Ivory Coast, France |