John Esten "Billick" Whelchel (April 1, 1898 – November 5, 1973) was a decorated officer in the United States Navy with the rank of Vice Admiral, American football player, coach, and college athletics administrator. He served as the head football coach at the United States Naval Academy from 1942 to 1943, compiling a record of 13–5. In 1949, he was the head coach for the National Football League's Washington Redskins, tallying a mark of 3–3–1.