Thue Christiansen (25 February 1940 – 26 June 2022) was a Greenlandic teacher, visual artist, and politician. Christiansen was best known as the designer of the current flag of Greenland. Christiansen was elected to the Inatsisartut for Siumut in 1979. He was the Greenlandic Minister of Culture and Education from 1979 until 1983.