Harley Parnell Hisner (November 6, 1926 – March 20, 2015) was an American former starting pitcher in Major League Baseball who played in one game for the Boston Red Sox during the 1951 season. Listed at 6 ft (1.8 m), 185 lb (84 kg), he batted and threw right-handed.In his only game appearance, Hisner started the final game of the 1951 season for Boston against the New York Yankees.