Knuppel

Knuppel is a surname of German origin. 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
 * Thomas (Tom) Knuppel (1951) Illinois educator and family genealogist