Xu Yanwei

Xu Yanwei (born 14 June 1984 in Shanghai) is an Olympic medal-winning swimmer from the People's Republic of China, who became part of the Chinese national swimming team in 2000. She competed at the 2004 Olympic Games in Athens.

She was part of China's 4 × 200 m freestyle relay team, which won the silver medal, beaten by the USA team.

She was also part of China's 4 × 100 m women's freestyle relay team. China reached the final in this event but did not win a medal.

Xu competed as an individual in the 100 m freestyle and 100 m butterfly events, but did not progress past the heat stage in either.