Surname Louis-Bruno (Louis-Bruno 
) , in the world, is an extremely rare last name. The cognomen Louis-Bruno is characteristic of Western Europe, particularly France, where it is an extremely rare surname. More frequently, Louis-Bruno 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 Bruno.
| VARIANT | COUNTRY |
|---|---|
| Louis-Bruno | France, United States |