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Guðmundur "Gordon" Sigurjónsson (15 April 1883 – 14 January 1967) was an Icelandic athlete and trainer. A well known wrestler in his home country, he was part of a group of Icelanders that showcased Glíma at the 1908 Summer Olympics. He was later a coach for the Canadian Winnipeg Falcons that won the first ever gold medal in Ice hockey at the 1920 Summer Olympics.