Major-General Sir Edward Owen Fisher Hamilton KCB (17 February 1854 – 30 March 1944) was an officer of the British Army during the late 19th century. Originally a junior officer in the Queen's Royal Regiment, he oversaw signalling in the Indian Army during the late nineteenth century, before commanding a battalion and then a brigade in the South African War. He was later the commanding officer for Army forces in West Africa and Lieutenant Governor of Guernsey before retiring in 1914; on the outbreak of the First World War, he briefly returned from retirement to command a division in the New Armies.