Alastair Donald Mackintosh "Sandy" Gunn (27 September 1919 – 6 April 1944), was a Scottish Supermarine Spitfire photo reconnaissance pilot who was taken prisoner during the Second World War. Gunn took part in the "Great Escape" from Stalag Luft III in March 1944, and was one of the men re-captured and subsequently executed by the Gestapo.