Richard Blake Curd is an American politician and a Republican member of the South Dakota Senate representing District 12 since June 6, 2013. Curd served non-consecutively in the South Dakota Legislature from January 2009 until January 11, 2011 in the South Dakota House of Representatives District 12 seat. He was a candidate for the United States House of Representatives for South Dakota's at-large congressional district in the 2010 election. Curd was appointed to the South Dakota Senate to fill the vacancy caused by the resignation of Republican Senator Mark Johnston.