Family name Regis-Grâce (Regis-Grâce 
) , in the world, is an extremely rare cognomen. Much more prevalently, Regis-Grâce is the forename as well as the last name. Parts of the name also exists independently as a first name Regis, and a first name Grâce.
| VARIANT | COUNTRY |
|---|---|
| Regis-Grâce | Democratic Republic of the Congo |