John Sheldon David Doud Eisenhower (b. August 3, 1922) is the son of U.S. president and WWII Allied commander Dwight D. Eisenhower. He served in the White House during his father's presidency as U.S. ambassador to Belgium and is an author of several books on military history.

Eisenhower attended the U.S. Military Academy at West Point. He served in the Army during World War II and the Korean War. Eisenhower achieved the rank of brigadier general in the U.S. Army Reserve.

During his father's presidency, Eisenhower served as assistant staff secretary in the White House Office. He served on the Army's General Staff and in the White House as assistant to Gen. Andrew Goodpaster. He was ambassador to Belgium. On May 17, 1972, President Richard Nixon appointed Eisenhower chairman of the Interagency Classification Review Committee.

In a Sept. 28, 2004, column published in the Manchester Union Leader, Eisenhower, a life-long Republican, endorsed Democratic nominee Sen. John Kerry for president.[1]

Eisenhower's son, David Eisenhower, is the husband of Richard Nixon's daughter Julie Nixon Eisenhower.