David Douglas Duncan (January 23, 1916 – June 7, 2018) was an American photojournalist. He was best known for his dramatic combat photographs.

His wartime photographs were so impressive that after the war he was hired by Life to join its staff at the urging of J.R. Eyerman, Life's chief photographer. During his time with Life, Duncan covered many events, including the end of the British Raj in India and conflicts in Turkey, Eastern Europe, Africa, and the Middle East.

He turned 100 in January 2016. and died in June 2018 in Grasse, aged 102.