Mary Doreen Cooper-Wright (30 December 1907 – August 2003) was an English swimmer who competed in the 1930 British Empire Games, where she won a gold medal alongside Olive Joynes, Phyllis Harding, and her younger sister Joyce in the 4x100 yard freestyle relay. Outside of sports she worked as a textile designer and was involved in local politics in Buckinghamshire. Recorded in the form of a diary, her letters to her husband, who went missing while serving in World War II, were published in 2012.