Surname Louis-Francois (Louis-Francois 
) , in all the world, is a very rare cognomen. The family name Louis-Francois is habitual in France, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, Louis-Francois is the forename as well as the last name. Parts of the name also exists independently as a first name Louis, and a first name Francois.
| VARIANT | COUNTRY |
|---|---|
| Louis-Francois | Canada, France, United Kingdom, United States |