The 2008 United States House of Representatives election in Montana took place on Tuesday, November 4, 2008. Voters selected a single representative for the at-large district (map), who ran on a statewide ballot. Incumbent Representative Denny Rehberg sought re-election; he was originally elected in 2000 with 52% of the vote. He was formerly a Billings area rancher, state legislator (1984–90) and Montana Lieutenant Governor (1991–97).