2008 United States House of Representatives election in South Dakota

The 2008 United States House of Representatives election in South Dakota took place on Tuesday, November 4, 2008. Voters selected a representative for their single At-Large district, who ran on a statewide ballot.

Democratic incumbent Stephanie Herseth Sandlin was challenged by the Republican nominee, businessman and attorney Chris Lien. Neither candidate was opposed in the June 3, 2008 primary. CQ Politics forecasted this race as 'Safe Democrat'. George W. Bush won in this district 60% to 38% for John Kerry in 2004.

As of 2024, this election, along with the simultaneous Senate race, is the last time a Democrat won a statewide election in South Dakota. This also the last time either party won every county in the state in a contested race.

Counties that flipped from Republican to Democratic

 * Douglas (largest city: Armour)