Glen Charles Robertson (born 1959) is an American politician who served two terms as mayor of Lubbock, from May 19, 2012 until May 17, 2016. Robertson was an unsuccessful Republican candidate in the runoff election held on May 24, 2016, for Texas's 19th congressional district seat, which was vacated in January 2017 by the Republican Randy Neugebauer of Lubbock, who has filled the position since 2003. Robertson was defeated by Jodey Arrington, a former vice chancellor of Texas Tech University and an official in the administration of former U.S. President George W. Bush. Arrington polled 25,214 votes (53.7 percent) to Robertson's 21,769 (46.3 percent).