David O'Brien Martin (April 26, 1944 – November 20, 2012) was an American lawyer, politician, and veteran of the Vietnam War who served six terms as a Republican member of the United States House of Representatives from New York from 1981 to 1993.

He graduated from Hugh C. Williams High School (Canton, New York) in 1962, and the University of Notre Dame in 1966.

While in Congress, he was a member of the House Armed Services Committee, where he worked to shape national security policy in the final years of the Cold War.

[3] After Congress, he taught at the Naval War College from 1993 to 1994, and subsequently founded the government relations firm of Martin, Fisher, and Thompson in Washington.

He resided in Hedgesville, West Virginia, where he died November 20, 2012, from cancer, aged 68.