Dean Oldershaw (born August 7, 1946) is a Canadian sprint canoeist and kayaker who competed in the early to mid-1970s. At the 1972 Summer Olympics in Munich, he was eliminated in the semifinals of the K-1 1000 m and K-4 1000 m events. Four years later in Montreal, Oldershaw was eliminated in the semifinals of the K-1 500 m event. Over the course of his competitive career, Oldershaw has won 15 North American Championships and 75 Canadian Championships, a national record until broken by his nephew, Mark Oldershaw in 2019.
Born in Toronto, Ontario, Canada, Oldershaw is a son of Bert Oldershaw, brother of Reed Oldershaw and Scott Oldershaw, and uncle of Mark Oldershaw, all members of Canadian Summer Olympic teams.[1] He has coached at various clubs including being Head Coach at Mississauga, Oakville, Mohawk and Quebec Canoe Clubs. From 1981-1984, Oldershaw was Ontario Team Head Coach. He is a member of both the Mississauga Sports Hall of Fame (athlete) and the Oakville Sports Hall of Fame (coach).