Zheng Jie (born 5 July 1983 in Chengdu, China) is a Chinese professional tennis player. Her career high ranking is World No. 15 which she achieved on May 18, 2009. She has won three WTA singles titles at Hobart in 2005 and Estoril and Stockholm in 2006. She has also won eleven doubles titles with Yan Zi including Wimbledon and the Australian Open in 2006 and reached a career high ranking of World No. 3. Zheng has reached the singles semi-finals at the 2008 Wimbledon Championships, becoming the first Chinese player to do so, the quarterfinals of the 2010 Australian Open, and has won the bronze medal in doubles with Yan Zi at the 2008 Beijing Olympics. As of January 4, 2010, Zheng is ranked World No. 35 in singles and No. 24 in doubles.