Thomas Milburn Davis III (born January 5, 1949) is an American lobbyist and former Republican member of the United States House of Representatives who represented Virginia's 11th congressional district in Northern Virginia. Davis was considering a run for the U.S. Senate seat being vacated by five-term incumbent and fellow Republican John Warner in the 2008 election, but decided against it. He announced on January 30, 2008, that he would not seek reelection to an eighth term. Davis resigned from Congress on November 24, 2008.