Lieutenant-General Sir Frederick Edgeworth Morgan KCB (5 February 1894 – 19 March 1967) was a British Army officer who fought in both world wars. He is best known as the Chief of Staff to the Supreme Allied Commander (COSSAC), the original planner of Operation Overlord. A graduate of the Royal Military Academy, Woolwich, Morgan was commissioned as a second lieutenant in the Royal Field Artillery in 1913. During the First World War he served on the Western Front as an artillery subaltern and staff officer. Afterwards he served two long tours with the British Army in India.