Xu Yanwei

Xu Yanwei (; born 14 June 1984 in Shanghai) is an Olympic medal-winning swimmer from China, who became part of the Chinese national swimming team in 2003. 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.