Douglas Turnbull Hamilton (born August 19, 1958) is a Canadian Olympic medallist rower.

[1] He won a bronze medal in the men's quadruple sculls event at the 1984 Summer Olympics.

[1] Doug married Lynn Polson (member of Team Canada women's basketball at the 1984 Summer Olympics, placing 4th), and they are parents to NHL hockey players Dougie and Freddie Hamilton.

During his legal career Hamilton volunteered in many capacities in Canadian amateur sport, including as VP of High-Performance of Rowing Canada Aviron, Chair of the Canadian Sport Centre Ontario, and Board Member of the Toronto 2015 Pan/Parapan Am Games.

Hamilton now lives in St. Catharines, Ontario and is the Chair of the Niagara 2022 Canada Summer Games.