John David Waldorf (July 29, 1909 – August 12, 1982) was an American football player and coach and, later, a long-time college football and college basketball official. He played college football at the University of Missouri, where he was a two-time All-Big Six selection. Waldorf served as the head football coach at Nebraska Wesleyan University in Lincoln, Nebraska from 1930 to 1932. After retiring from coaching, he became an official in the Big Eight Conference.