Brigadier General Alfred Edward John Cavendish CMG (19 June 1859 – 2 February 1943) was a British Army general who served in the South African War and First World War as a staff officer. In 1880 he was commissioned in the 91st (Princess Louise's Argyllshire Highlanders) Regiment, later the Argyll and Sutherland Highlanders. He served as Adjutant to the 1st Battalion from 1885 to 1887, then passed through the Staff College and entered a career of staff posts.