Guðmundur Sigurjónsson, better known as Gordon Sigurjonson (b. April 15, 1883 in Thingeyjarsysla, Iceland - d. in 1967 in Reykjavik, Iceland) was a Icelandic-Canadian hockey coach. He was the coach of the Winnipeg Falcons when they won the gold medal at the 1920 Olympics. He had served in the Canadian military from 1916 to 1919 and prior to that was the trainer of the Falcons.