Elmer Parker Yates (December 19, 1917 – August 14, 2011)[1][2] was a major general in the United States Army Corps of Engineers who saw service in the Vietnam War.

He was the younger brother of United States Air Force Lieutenant General Donald Norton Yates.

Yates graduated second in the West Point class of 1941, winning three of the fifteen available academic awards, including the Robert E. Lee Saber for the highest standing in mathematics.

[4] During World War II, Yates served with the 3rd Engineer Battalion, 24th Infantry Division in Hawaii and the Philippines.

In 1966–1968, he was chief engineer of the North Pacific Division, headquartered in Portland, Oregon, and responsible for the Columbia River Basin.

In 1970, he became director of installations in the Office of the Deputy Chief of Staff for Logistics with the rank of major general.