Family name Leonce-Ghislain (Leonce-Ghislain 
) , worldwide, is an extremely rare surname. Much more frequently, Leonce-Ghislain is the forename as well as the last name. Parts of the name also exists independently as a first name Leonce, and a first name Ghislain.
| VARIANT | COUNTRY |
|---|---|
| Leonce-Ghislain | Democratic Republic of the Congo |