Around the globe, Küfner (Küfner 
) is an extremely rare unknown gender forename. Predominantly, Küfner is the last name as well as the forename.
Jan, Klaus, Petra, Peter, Randy, Georg, Josef, Erich, Ernst, Erwin, Henry, Helga, Heinz, Heike, Heiko, Horst, Frank, Franz, Fritz, Felix, Oskar, Willi, Karla, Karel, Karin, Betti, Uwe, Mike, Anja, Karl, Kurt, Ralf, Rene, Gerd, Lisa, Timo, Ursel, Nico, Hans, Inge, Otto, Mario, Sonja, Alena, Anton, Anita, Armin, Bernd, Nina, and Martin