Maria Petronella "Puck" Oversloot (22 May 1914 – 7 January 2009) was a Dutch swimmer.

Together with Marie Braun, she was the top national backstroke and freestyle competitor.

At the 1932 Summer Olympics, Braun was listed for the 4 × 100 m freestyle relay, but fell ill and was replaced by Oversloot.

The team won a silver medal, setting a new European record.

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