| Intro | British swimmer, Olympic athlete, British Empire Games silver medallist |
| A.K.A. | Margaret Olive Wellington, Margaret Restrick |
| Was |
Athlete Swimmer |
| From | United Kingdom |
| Type | Sports |
| Gender | female |
| Birth | 23 December 1926, Beckenham, London Borough of Bromley, Greater London, England |
| Death |
10 March 2015 (aged 88 years) |
Margaret Olive Wellington (23 December 1926 – 10 March 2015) was a British swimmer who won a bronze medal at the 1947 European Aquatics Championships in the 4×100 m freestyle relay. She finished fourth in the same event at the 1948 Summer Olympics. At the 1950 British Empire Games she won three silver medals, in the 110 yd and 440 yd freestyle and 3×110 yd medley relay, and a bronze in the 4×110 yd freestyle relay.