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Throughout the world, Detlef (Detlef , Детлеф , דטלף ) is a widespread boy's first name. The first name Detlef is habitual in Germany, where it is a common masculine name, Albania, where it is a rare masculine name, and Austria. In absolute terms, it is commonest in Germany, the United States, and South Africa.
Koch, Werner, Müller, Möller, Schulze, Schmidt, Schmitz, Schwarz, Krüger, Köhler, Richter, Lehmann, Neumann, Fischer, Schubert, Schäfer, Albrecht, Günther, Hartmann, Herrmann, Hoffmann, Schröder, Wagner, Walter, Franke, Peters, Pohl, Hahn, Otto, Wolf, Meier, Meyer, Arndt, Bauer, Braun, Klein, Schneider, Lange, Haase, Vogel, Weber, Schulz, Scholz, Becker, Kaiser, Kramer, Krause, König, Engel, and Zimmermann