Martha Dubina Roby (born July 26, 1976) is the U.S. Representative for Alabama's 2nd congressional district. She is a member of the Republican Party. She defeated incumbent Representative Bobby Bright on November 2 during the United States House of Representatives elections in Alabama, 2010, and assumed office in January 2011. Roby and Terri Sewell are the first women elected to Congress from Alabama in regular elections.