Douglas C. Oldershaw (July 6, 1915 – October 30, 1995) was an American football guard and end who played professionally in the National Football League (NFL) for three seasons with the New York Giants. He was drafted in the 11th round of the 1938 NFL Draft. Oldershaw played college football at Santa Barbara State College (now known as the University of California, Santa Barbara). In 1942, he was hired an assistant football coach at the United States Military Academy to serve under head coach Earl Blaik.