Hugh A. Dempsey (1929–2022) was a Canadian author, historian, and researcher. He was the associate director of the Glenbow Museum in Calgary, as well as the chief curator emeritus. He was the editor of the quarterly Alberta History. Dempsey was made an honorary chief of the Kainai Blackfoot in 1967, invested as a member of the Order of Canada in 1975, and received an honorary degree from the University of Lethbridge in 2019. He wrote more than twenty books, including The Great Blackfoot Treaties, Maskepetoon, Firewater, and Crowfoot. Hugh Dempsey passed away on May 24, 2022 in Calgary, Alberta.