Gary Gene Miller (born October 16, 1948) is an American politician, who was the Republican U.S. Representative for California's 31st congressional district. He was first elected in 1998 and served until 2015, when he retired. The district includes most of southern and western San Bernardino County. He previously represented the 42nd District from 1999 to 2013 (numbered as the 41st from 1993 to 2003). In February 2014, Miller announced he would stand down at the next election.