Elisabeth Johanna Maria "Lies" Bonnier (born 8 July 1925) is a Dutch retired swimmer who won a silver medal at the 1950 European Aquatics Championships in the 200 m breaststroke.

[1] In 1952, after winning a national title,[2] she competed in the same event at the Summer Olympics, but was eliminated in preliminaries.

On 17 November 1953 she married Chris Burg.

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