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.

[4] Gunn enlisted in the Royal Air Force on 22 February 1940 and commenced active service on 22 June 1940 as an aircrew candidate (airman 2nd class).

Gunn was promoted to Flying Officer on 25 January 1942,[8] and flew many long-range missions over German naval units on the Norwegian coast and in the North Atlantic, often in terrible weather conditions.

[9] At 0807 hours on the morning of 5 March 1942,[10] Gunn took off from RAF Wick in a Supermarine Spitfire[11][12] on a photo reconnaissance mission of the German naval anchorages on the Norwegian coastline near Trondheim, Norway.

He was shot down with burn on hands and face by two Messerschmitt Bf 109s from Jagdgruppe Losigkeit, flown by Leutnants Heinz Knoke and Dieter Gerhard.

[18] Gunn was sent to Stalag Luft III in the German province of Lower Silesia near the town of Sagan (now Żagań, Poland), where he became a regular member of the tunnelling team.

[26][27] At Görlitz prison on the morning of 6 April 1944, Tony Bethell heard a truck arrive and saw three Germans in uniform call out the names of Denys Street, Neville McGarr, Jack Grisman, Harold Milford, John F Williams and Sandy Gunn.