Frenzel is a German family name that originated in the Rhineland, and today is prevalent among Volga Germans and in east-central Germany, focused on Dresden. It is a patronymic name meaning son of Franciscus.
There are several historical figures named Frenzel:
Alfred Frenzel - Cold War-era Czechoslovakian spy
Anton Frenzel (1790-1873), bishop of Ermland
Bartholomäus Frenzel (mention 1576), German poet
Bill Frenzel - Minnesota Congressman
Elisabeth Frenzel (1915-2014), German literary notable
Eric Frenzel
Ernst Frenzel (born 1904), German banker, SA brigade leader and Reichstag delegate
Fritz Frenzel (1855-1915), German writer and publisher (alias August Bäbchen)
Gotfried Frenzel (born 1929), German art historian and restorer
Hans Frenzel (1921-1989), German broadcast director
Herbert Frenzel (novelist), German novelist
Herbert A. Frenzel (1908-1995), German theatre notable
Hermann Robert Frenzel (1850-?), German organist and technical writer
Hermann Walter Gotthold Frenzel (1895-?), German HNO physician and Luftwaffe officer, inventor of the Frenzel maneuver to balance pressure
Ivo Frenzel (1924-2014), German author, Daten deutscher Dichtung
Johann Gottlieb Frenzel (1715-1780), German lawyer, historian and philosopher
Johann Gottlieb Abraham Frenzel (1782-1855), German coppersmith
Karl Frenzel (1827-1914), German writer and critic
Karl Frenzel (1911—1996) - German Nazi SS-Oberscharführer, one of Sobibor's SS commanders
Oskar Frenzel (1855-1915), German animal and landscape painter
Paul Frenzel (1824-1872), German animal and landscape painter
Walther Frenzel (1884-1970), German engineer and professor of textile chemistry
William Kelly Frenzel (1970-) American Real Estate Businessman
Further, there are several businesses named Frenzel, among them a Düsseldorf manufacturer.