Martin C. Harty (March 25, 1919 – August 12, 2017) was an American politician who was a member of the New Hampshire House of Representatives from 2010 to early 2011. A Republican, he was one of eight legislators who represent Strafford County District 3, comprising the towns of Barrington, Farmington, Middleton, Milton, New Durham, and Strafford. In March 2011, as a freshman State Representative, Harty promoted eugenics in a conversation with the manager of a community health program stating: