Claire Feuerstein (born 28 February 1986) is a professional tennis player from France. She made her debut in professional competition in 2002, aged 16, at an ITF tournament in Les Contamines, France.
From 2002 to 2009 she played at many ITF tournaments, with three wins. Her first appearance at a WTA Tour event was at the 2009 Internationaux de Strasbourg. She lost in the first round of the Women's Singles competition, but reached the final of the Doubles competition, with partner Stéphanie Foretz.