Knuppel, Knüppel, or Knueppel is a surname of German origin.Knüppel, DFDKnueppel, DFD Notable people with the surname include:
August Knuppel (1857-1929), German-born American mason, contractor and politician Bernd Knuppel (born 1962), Uruguayan sailor
John Linebaugh Knuppel (1923-1986), American politician
Kon Knueppel (born 2005), American professional basketball player
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