John Hart Ely (December 3, 1938 – October 25, 2003) was an American legal scholar. He was a professor of law at Yale Law School from 1968 to 1973, Harvard Law School from 1973 to 1982, Stanford Law School from 1982 to 1996, and at the University of Miami Law School from 1996 until his death. From 1982 until 1987, he was the 10th Dean of Stanford Law School.