Denise R. Dittrich (pronounced DEE-trick) (born August 6, 1957) is a Minnesota politician and former member of the Minnesota House of Representatives from 2005 to 2012, representing District 47A, which included portions of the cities of Coon Rapids and Champlin in Anoka and Hennepin counties, which are part of the Twin Cities metropolitan area. In 2006, Dittrich defeated her Republican challenger, John Tomczak, 54%-46%. In 2008, she defeated her Republican challenger, Troy Buchholz, 59%-40%. In 2010, she defeated her Republican challenger, Cameron Roberson, 50.9% to 49%.