Cognomen Gerfelon-Lionel (Gerfelon-Lionel 
) , around the globe, is an extremely rare family name. Much more prevalently, Gerfelon-Lionel is the forename as well as the last name. Parts of the name also exists independently as a first name Lionel.
| VARIANT | COUNTRY |
|---|---|
| Gerfelon-Lionel | Democratic Republic of the Congo |