- References
{{short description|Olympic judoka}}{{MedalTableTop}}{{MedalSport |Men's judo}}{{MedalCountry | {{KOR}} }}{{MedalCompetition|World Championships}}{{MedalBronze |1999 Birmingham | -90 kg}}{{MedalBottom}}Yoo Sung-Yeon (born 19 April 1976) is a Korean former judoka who competed in the 2000 Summer Olympics.[1]References1. ^{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/yu/yu-seong-yeon-1.html |accessdate=26 June 2012}}
{{DEFAULTSORT:Yoo, Sung-Yeon}}{{SouthKorea-judo-bio-stub}} 10 : 1976 births|Living people|Olympic judoka of South Korea|Judoka at the 2000 Summer Olympics|Asian Games medalists in judo|Judoka at the 1998 Asian Games|South Korean male judoka|Universiade medalists in judo|Asian Games gold medalists for South Korea|Medalists at the 1998 Asian Games |