Cognomen L'Inconnue (L'Inconnue 
) , in the entire world, is an extremely rare family name. The surname L'Inconnue is habitual in Western Europe, particularly France, where it is an extremely rare surname. Likewise, L'Inconnue is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| L'Inconnue | France |