David Martin McIntosh (born June 8, 1958) is an American attorney and Republican Party politician who served as the U.S. Representative for Indiana's 2nd congressional district from 1995 to 2001. McIntosh was the Republican nominee for Governor of Indiana in 2000, losing to Democratic incumbent Frank O'Bannon. He was an unsuccessful candidate for the Republican nomination in Indiana's 5th congressional district in 2012.