Yoo Yeon-seong
Template: Infobox Badminton Player / Maintenance / English
Yoo Yeon- seong ( Kor. 유연성; born August 19, 1986 in Jeongeup, Jeollabuk- do, South Korea ) is a badminton player from South Korea.
Sporting career
Yoo Yeon- seong stood at the Badminton World Championships 2009 in the second round of the mixed-doubles with Kim Min -jung. 2007 had both already won gold at the Universiade. At the China Open 2008, both progressed into the quarter-finals. 2009 and 2010 were Yoo and Kim each second in mixed doubles at the Asian Championships. In doubles, he made it in 2010 even to the very top and was Asian champion.