Major General Eugene M. Landrum (February 6, 1891 – July 24, 1967) was a senior United States Army officer. He is known primarily for defeating the Japanese in the Aleutian Islands Campaign at the start of World War II, being relieved as commander of the 90th Infantry Division shortly after the D-Day landings, and organizing the Pusan Perimeter to blunt the North Korean offensive during the Korean War.