Squadron Leader Neville Frederick Duke DSO, OBE, DFC & Two Bars, AFC, FRAeS (11 January 1922 – 7 April 2007) was a British test pilot and fighter ace of the Second World War. He was the most successful Western Allied ace in the Mediterranean Theatre, and was credited with the destruction of 27 enemy aircraft. After the end of the war, Duke was acknowledged as one of the world's foremost test pilots.