Willy Rey (born Wilhelmina Rietveld on 25 August 1949 in Rotterdam, Holland, died 13 August 1973 in Vancouver, British Columbia) was a Dutch-Canadian model. She was Playboy magazine's Playmate of the Month for its February 1971 issue. Her centerfold was photographed by Mario Casilli.
When she was 6 years old, her family moved from the Netherlands to Canada.
Willy Rey's nude likeness adorned the stock certificate of Playboy Enterprises at the time of its Initial Public Offering on 3 November 1971.
She died of an overdose of barbiturates (sleeping pills) in Vancouver on 13 August 1973.