Mu Shuangshuang (穆爽爽; born July 7, 1984) is a Chinese weightlifter from Shuangliao, Jilin. She competes in the over-75 kg category. In 2005, 2006, and 2007 she won the silver medal in World Weightlifting Championships. On 6 December 2006 she set a new world record of 139 kg for the snatch at the World Championship in Doha[1] [2] and on 26 September 2007 she set a new overall world record of 319 kg at the World Championship in Chiang Mai, Thailand.[3] She was not selected to compete in the 2008 Olympic Games. [4]