Carl Gröpler (22 February 1868, Magdeburg – 30 January 1946, Magdeburg) was Royal Prussian executioner (German: Scharfrichter) from 1906 to 1937.
Responsible for carrying out capital punishment in the Prussian provinces, he executed a total of at least 144 people, primarily by beheading with an axe, but also with guillotines.
Gröpler was one of the most famous executioners in Germany.