Last name Louis-Mondésir (Louis-Mondésir 
) , worldwide, is an extremely rare cognomen. The last name Louis-Mondésir is habitual in Western Europe, particularly France, where it is an extremely rare surname. Parts of the name also exists independently as a first name Louis, and a first name Mondésir.
| VARIANT | COUNTRY |
|---|---|
| Louis-Mondésir | France |