Cognomen Gab-Steguy (Gab-Steguy 
) , in all the world, is an extremely rare family name. Much more prevalently, Gab-Steguy is the forename as well as the last name. Parts of the name also exists independently as a first name Gab, and a first name Steguy.
| VARIANT | COUNTRY |
|---|---|
| Gab-Steguy | Democratic Republic of the Congo |