George Daniel "Dan" Lanphear (born January 24, 1938) was an American football player. He was born in Madison, Wisconsin, and played college football for the University of Wisconsin–Madison. He was a member of the 1959 Wisconsin Badgers football team that lost to the Washington Huskies in the 1960 Rose Bowl. He later played in the American Football League (AFL) for the Houston Oilers in 1960 and 1962 as a defensive end. Lanphear was also drafted in the eighth round of the 1960 NFL Draft by the Pittsburgh Steelers.