Seo Yoon-hee (Korean: 서윤희; born 10 November 1984) is a badminton player from South Korea.

She graduated from the SacredHeart Girl's High School, and later joined the Samsung Electro-Mechanics team.

[3][4] Seo played badminton at the 2004 Summer Olympics for Korea, defeating Pi Hongyan of France in the first round[5][6] but losing to Petya Nedelcheva of Bulgaria in the round of 16.

[7] Girls' singles Girls' singles The BWF Grand Prix had two levels, the BWF Grand Prix and Grand Prix Gold.

It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) which was held from 2007 to 2017.