Zheng Jie (simplified Chinese: 郑洁; traditional Chinese: 鄭潔; pinyin: Zhèng Jié, Mandarin pronunciation: ; born 5 July 1983 in Chengdu, Sichuan) is a Chinese professional tennis player. Her career high ranking is World No. 15 which she achieved on May 18, 2009. As of May 23, 2011, Zheng is ranked World No. 80 in singles and World No. 15 in doubles.
Zheng is one of the most successful tennis players from China. She has won three WTA singles titles - Hobart in 2005 and Estoril and Stockholm in 2006. She has also won twelve doubles titles, eleven of them with Yan Zi including Wimbledon and the Australian Open in 2006. She won the bronze medal in doubles with Yan Zi at the 2008 Beijing Olympics. Her career high doubles ranking is World No. 3. Zheng has reached the singles semi-finals at the 2008 Wimbledon Championships, defeating a World No. 1 in the process (Ana Ivanović), and becoming the first Chinese female player to advance to the semi-finals at a Grand Slam. She also advanced to the semi-finals at the 2010 Australian Open.
Zheng graduated from the Sichuan Sports Academy in June 2000.