Family name Karl-Friedrich (Karl-Friedrich 
) , globally, is a very rare last name. The surname Karl-Friedrich is characteristic of Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much more frequently, Karl-Friedrich 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 Friedrich.
| VARIANT | COUNTRY |
|---|---|
| Karl-Friedrich | Spain, Italy, United States, Germany |
Hug, Dehmel, Gruber, Glaser, Lindau, Hempel, Hübner, Walter, Warnke, Wagner, Müller, Möller, Sauselin, Schmidt, Schmitt, Schwarz, Kaffsack, Schubert, Schäfer, Westphal, Schröder, Schneider, Peters, Krause, Becker, Amthor, Beck, Koch, Roth, Lang, Jung, Hahn, Voss, Maier, Meier, Meyer, Zimmermann, Sauer, Braun, Klein, Grimm, Groß, Grün, Lange, Tappe, Weber, Schulz, Specht, Bauer, and Lingenfelder