Surname Karl-Franz (Karl-Franz 
) , in the entire world, is an extremely rare family name. The cognomen Karl-Franz is characteristic of Western Europe, particularly Germany, where it is an extremely rare surname. Much more prevalently, Karl-Franz is the forename as well as the last name. Parts of the name also exists independently as a first name Karl, and a first name Franz.
| VARIANT | COUNTRY |
|---|---|
| Karl-Franz | United States, Canada, Germany |