Yoo Yong-sung should not be confused with Yoo Yeon-seong.
| Yoo Yong-sung 유용성 | |
| Birth Date: | 1974 10, df=y |
| Birth Place: | Dangjin, Chungcheongnam-do, South Korea |
| Height: | 1.73 m |
| Weight: | 69 kg |
| Event: | Men's doubles |
| Highest Ranking: | 1 |
| Country: | South Korea |
| Handedness: | Left |
| Bwf Id: | C4B6DE4A-5D35-4A2C-BFFC-B0EB2B3E44C5 |
| Medals-Expand: | yes |
| Hangul: | 유용성 |
| Hanja: | 柳鏞成 |
| Rr: | Yu Yong-seong |
| Mr: | Yu Yong-sŏng |
Yoo Yong-sung (; born 25 October 1974) is a retired badminton player from South Korea. He is two time Olympic silver medalist.[1]
Men's doubles
| Year | Venue | Partner | Opponent | Score | Result | |
|---|---|---|---|---|---|---|
| 2000 | The Dome, Sydney, Australia |  Lee Dong-soo | Tony Gunawan Candra Wijaya | 10–15, 15–9, 7–15 | Silver | |
| 2004 | Goudi Olympic Hall, Athens, Greece | Lee Dong-soo | Ha Tae-kwon Kim Dong-moon | 11–15, 4–15 | Silver |
Men's doubles
| Year | Venue | Partner | Opponent | Score | Result | |
|---|---|---|---|---|---|---|
| 1999 | Brøndby Arena, Copenhagen, Denmark | Lee Dong-soo | Ha Tae-kwon Kim Dong-moon | 5–15, 5–15 | Silver | |
| 1997 | Scotstoun Centre, Glasgow, Scotland | Lee Dong-soo | Candra Wijaya Sigit Budiarto | 11–15, 11–15 | Bronze | |
| 1995 | Malley Sports Centre, Lausanne, Switzerland | Kim Dong-moon | Jon Holst-Christensen Thomas Lund | 12–15, 2–15 | Bronze |
Men's doubles
Men's doubles
| Year | Venue | Partner | Opponent | Score | Result | |
|---|---|---|---|---|---|---|
| 2002 | Gangseo Gymnasium, Busan, South Korea | Lee Dong-soo |  Pramote Teerawiwatana Tesana Panvisvas | 15–11, 15–6 | Gold | |
| 1998 | Thammasat Gymnasium 2, Bangkok, Thailand | Lee Dong-soo | Pramote Teerawiwatana Siripong Siripool | 17–16, 6–15, 7–15 | Bronze |
Mixed doubles
Men's doubles
Mixed doubles
Men's doubles
Mixed doubles
Men's doubles
Mixed doubles
The World Badminton Grand Prix sanctioned by International Badminton Federation (IBF) since 1983.
Men's doubles
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result | |
|---|---|---|---|---|---|---|
| 1994 | Swedish Open | Jang Hye-ock | Ron Michels Erica van den Heuvel | 15–9, 10–15, 18–17 | Winner | |
| 1993 | China Open | Jang Hye-ock |  Chen Xingdong Sun Man | 15–12, 9–15, 8–15 | Runner-up |
Men's doubles
