Dan Lederman (born November 25, 1972 in Waterloo, Iowa) is an American politician who served as a Republican member of the South Dakota Senate representing District 16 from January 11, 2011 until he resigned on March 30, 2015.
Lederman served consecutively in the South Dakota Legislature from January 2009 until January 11, 2011 in the South Dakota House of Representatives District 16 seat.
In February 2017, Lederman was elected State Chairman of the South Dakota Republican Party in the first contested party chair election in decades.
In February 2019, Lederman was re-elected on an uncontested basis to another term of office as chair of the South Dakota Republican Party.