|Born||5 September 1978|
|FIDE rating||2636 (July 2019)|
|Peak rating||2667 (July 2001)|
Zhang Zhong (simplified Chinese: ; traditional Chinese: ; pinyin: ; born 5 September 1978) is a Chinese chess grandmaster, a twice Chinese champion and the 2005 Asian champion. In 1998, he became China's 9th Grandmaster.
Zhang Zhong finished second at the World Junior Chess Championship twice, in 1996 and 1998. He won the Chinese Chess Championship in 2001 and 2003. In 2002 he scored 8.5/12 points at the 35th Chess Olympiad in Bled and won the 7th World University Chess Championship in Ulaanbaatar. Zhang Zhong was clear first with a score of 11/13 at the Corus B tournament in Wijk aan Zee in 2003, three points ahead of his nearest rival. This result qualified him for the prestigious main Corus A tournament in 2004, in which he scored 5/13. He won the 2005 Asian Chess Championship to qualify for the FIDE World Cup held that year, where he beat Mikhail Kobalia in the first round, but lost to Ivan Sokolov in the second.
In 2007 he transferred national federations to represent Singapore. In 2008, he won ASEAN Chess Circuit Tournament in Tarakan. In 2014, he tied for 1st-3rd with Nguyen Ngoc Truong Son and Le Quang Liem, placing second on tiebreak, at the 4th HDBank Cup in Ho Chi Minh City, and won the 11th IGB Dato' Athur Tan Malaysia Open in Kuala Lumpur. In 2017 Zhang moved back to the Chinese federation.