Tags: Swimmer.
Margaret Joyce Cooper (later Badcock 18 April 1909 – 22 July 2002) was a British swimmer who competed at the 1928 and 1932 Olympics. In 1928 she won a silver medal in the 4×100 m freestyle relay and bronze medals in the 100 m freestyle and 100 m backstroke events. In the 100 m freestyle she finished together with Jean McDowell but the judges gave the bronze medal to Cooper in a 3–2 vote.