Zhao Yunlei (born 25 August 1986) is a mixed and women's doubles badminton player from China.

She is the first and only badminton player to have ever won two gold medals in the same Olympic edition, winning in both the mixed and women's doubles categories in 2012.

In addition, by winning the 2015 BWF World Championships mixed doubles title, she and partner Zhang Nan have won three World Championship mixed doubles titles, the first pairing ever to have done so.

She is regarded by many as one of the best female doubles players in the history of badminton alongside past greats, such as former teammate Gao Ling.

After separated with Cheng, Zhao competed in the women's doubles event with Tian Qing, and again topped the world ranking in September 2012.

Zhao and Tian won the 2010 Asian Games gold medal after vanquishing compatriots Wang Xiaoli and Yu Yang 20–22, 21–15, and 21–12.

In September, Zhao and Zhang won the 2014 Asian Games mixed doubles title, avenging the loss from four years ago.

In August, at the 2015 BWF World Championships in Jakarta, she successfully defended her titles in both the mixed and women's doubles with partner Zhao and Tian respectively.

In August, she and Zhang won a bronze medal in the mixed doubles at the 2016 Rio Olympics.

One and a half years after her retirement from the international tournaments, Zhao returning to the national team as an assistant coach.