Duncan McDougall (born 14 March 1959) is a British rower who competed in the 1980 and 1984 Summer Olympics. He was born in Aylesbury in 1959. He is a member of the Leander Club. In 1980 he was a crew member of the British boat which won the silver medal in the eights event. Four years later he finished fifth with the British boat in the 1984 eights competition.