Colonel John Maurice Arthur Tillett (4 November 1919 – 14 December 2014) was a British Army officer who had a critical role in the planning of the capture of the Caen canal and Orne river bridges on D-Day, 6 June 1944, during the Second World War. He was one of the last surviving British Army officers to have served with the 6th Airborne Division in Operation Mallard, on 6 June 1944, and in Operation Varsity, on 24 March 1945. He later commanded the Ugandan Army.