Duncan Thornton (born June 14, 1962) is a Canadian author, speaker, and futurist. He was born in Gods Lake Narrows, Manitoba, where his father served as minister in the United Church of Canada. The family moved to Winnipeg a few years later. At the age of the 13 he dropped out of school, but 20 he enrolled as a mature student at the University of Saskatchewan in Saskatoon. He went on to graduate from the University of Winnipeg (BA, hon.s in English and History). He also did graduate work in English at both Concordia University in Montreal and the University of Manitoba. He currently lives in Winnipeg with his wife, author Brenda Hasiuk, and their two children.
Thornton was diagnosed with multiple sclerosis in 2009. In March 2010, Thornton visited the EuroMedic clinic in Katowice, Poland, to become one of the first Canadians treated for CCSVI, a vascular problem common in MS patients first described by Dr. Paolo Zamboni. He has spoken frequently in the media about CCSVI and his experience with its treatment, and was one of the founders of CCSVI Manitoba, a group that advocates for access to CCSVI testing and treatment for Manitobans with Multiple Sclerosis.