|Olympics Attended||2004; 2008; 2012|
|Olympic Medals Won|
|Birthdate||19 January 1980|
|Birthplace||Suzhou, Jiangsu, China|
Cai Yun is a Chinese badminton player who competed at the 2004, 2008 and 2012 Olympic games.
- 2012 Men's doubles - 1st
- 2008 Men's doubles - 2nd