David Philip Simpson (born June 27, 1961) is a former Republican member of the Texas House of Representatives for District 7, based in Gregg and Upshur counties. In 2010, he unseated the incumbent, Tommy Merritt of Longview, in the Republican primary with 52.88 percent of the vote and then prevailed in the general election for the 82nd Texas Legislature on November 2, 2010 with 91.28 percent of the vote, having had no Democratic opponent.