Barry Dean Loudermilk (born December 22, 1963) is an American politician from the state of Georgia. He is the U.S. Congressman from Georgia's 11th congressional district, which covers part of Atlanta's northern suburbs. Loudermilk won the Republican nomination for the seat in a runoff on July 22, 2014 over Bob Barr, and won the general election on November 4, 2014.