Zheng Jie (born 5 July 1983) is a Chinese professional tennis player. Her career-high singles ranking is World No. 15 which she achieved on 18 May 2009.

Zheng is one of the most successful tennis players from China. She has won four WTA singles titles – Hobart in 2005, Estoril, Stockholm in 2006, and Auckland in 2012. She has also won fifteen 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, Ana Ivanovic, in the process, 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.

At Wimbledon in 2008, she gained recognition when she became the first Chinese player ever to reach the semifinals of a Grand Slam singles tournament, defeating then-World No. 1 Ana Ivanovic en route. She donated her winnings to the victims of the 2008 Sichuan earthquake in her native province.

Zheng was coached by Jiang Hong Wei, China's national women's tennis team head coach, but she is now coached by her husband Zhang Yu, who is also her hitting partner. They became close during the period after her severe ankle injury. Zheng is on the advisory staff of Yonex and uses their rackets. She wears clothing by Anta and appears in their advertising campaigns, and she is a Rolex testimonee together with Roger Federer and Ana Ivanovic.

Zheng started playing tennis when she was 10, after she saw her older sister play and thought tennis would be good exercise. At first, it was just for exercise. Zheng was rather small (at 5', 4.5"), and she and her parents were afraid that she would not have a career in the tennis world. (In fact, she was called "xiao bu dier" by her parents, which translates into something along the lines of "small kid." Her stature was no surprise though, for both her parents were short.) They considered her focusing more on her studies, so that if she did not make it in tennis she would be able to get a different job. However, her foreign coach saw potential in her, and told her parents and her something along the lines of, "There are many people in China who read books, but there are few who are national heroes." After that, her parents agreed to allow her to pursue tennis as a profession.

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