Patricia Chan Li-Yin (陈丽燕; born 12 April 1954), popularly known as Pat Chan and the "Golden Girl", is a retired swimmer from Singapore. Between 1965 and 1973 she won 39 gold medals at Southeast Asian Games, which was the best achievement for a Singaporean athlete in any sport until 2005. She competed in eight events at the 1966 and 1970 Asian Games and won 3 silver and 5 bronze medals. At the 1970 Games she also set a national record in the 200 m backstroke that stood for 23 years.