John Nelson Brandenburg (April 29, 1929 – January 14, 2020) was an American lieutenant general in the U.S. Army. He was born in Enid, Oklahoma. He was a commander of the I Corps at Fort Lewis, a post which he served from 1981 to 1984. He was also a commander of the 101st Airborne Division from 1978 to 1980. He retired from the military in May 1984 after 33 years of service.