Grace Yun Peng (Chinese: 彭云; born 15 July 1974) is a former international badminton player from China, who later represented the United States.

On July 15, 1974, Peng was born in Guangxi, China.

[1] At age 10, Peng started training in badminton in China.

[1] Peng began her career in the U.S. on September 25, 2004.

She has won the US Open on two occasions: once in 2005 the women's doubles with her partner Johanna Lee and again in 2008 the mixed doubles crown with partner Halim Haryanto.