Harold Gregory Moore Jr. (February 13, 1922 – February 10, 2017) was a United States Army lieutenant general and author. He was awarded the Distinguished Service Cross, the U.S. military's second-highest decoration for valor, and was the first of his West Point class (1945) to be promoted to brigadier general, major general, and lieutenant general. Moore was awarded the Order of Saint Maurice by the National Infantry Association as well as the Distinguished Graduate Award by the West Point Association of Graduates.