Xu Yanwei (simplified Chinese: 徐妍玮; traditional Chinese: 徐妍瑋; pinyin: Xú Yánwěi; 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.
|Full name||Xu Yanwei|
|Born||14 June 1984|
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.