William Odlin (April 5, 1865 – May 11, 1929) was an American lawyer and college football coach. He served as the head football coach at Brown University in 1893. Odlin was born on April 5, 1865 in Laconia, New Hampshire. He attended boarding school at Phillips Academy in Andover, Massachusetts. He continued his education at Dartmouth College, from which he graduated in 1890. Odlin is credited with reviving interest in football at the college. As John Henry Bartlett put it in his book, Dartmouth Athletics: Odlin died on May 11, 1929, at his home in Andover, Massachusetts.