Harold James Wiltse (August 6, 1903 – November 2, 1983) nicknamed "Whitey", was a professional baseball pitcher. He played all or part of four seasons in Major League Baseball between 1926 and 1931 for the Boston Red Sox (1926–28), St. Louis Browns (1928) and Philadelphia Phillies (1931). Listed at 5 ft 9 in (1.75 m), 168 lb., Wiltse batted and threw left-handed. He was born in Clay City, Illinois. Wiltse died at the age of 80 in Bunkie, Louisiana.