Nathalie Dechy (born on February 21, 1979 in Les Abymes, Guadeloupe) is a French former professional tour tennis player.
Dechy is a three-time doubles Grand Slam champion, winning the 2006 US Open women's doubles title with Vera Zvonareva, the 2007 French Open mixed doubles title with Andy Ram, and the 2007 US Open women's doubles title with Dinara Safina. Her biggest singles achievement is reaching the semifinals of the 2005 Australian Open, where she was just two points away from the final, before eventually losing to Lindsay Davenport.
At the 2008 Wimbledon Championships, she faced World No.1 and reigning French Open champion, Ana Ivanović. She took the first set and even had match point during the second before succumbing 6–7, 7–6, 10–8.
She is a member of the notorious "generation 1979" alongside Amélie Mauresmo, Anne-Gaëlle Sidot, Emilie Loit and Séverine Brémond.