Major General Leven Cooper Allen (March 29, 1894 – September 27, 1979) was an officer in the United States Army during World War II.

Following serving in the General Staff, he held the position of commandant at the Infantry School until October, 1943.

[1] For his actions during World War II, Allen was given two Army Distinguished Service Medals.

[3][4] Allen lived in Washington, D.C. after retirement and died at Walter Reed Army Hospital on September 27, 1979.

[1][3] Allen married Helen Townsley, the daughter of General Clarence P. Townsley, on April 11, 1928 in Washington, D.C. His older brother Lt. Col. Gilbert M. Allen was the best man and Helen's older sister Marian was the maid of honor.