The boys' 63 kg competition in taekwondo at the 2010 Summer Youth Olympics in Singapore took place on August 17. A total of 10 men competed in this event, limited to fighters whose body weight was less than 63 kilograms. Preliminaries started at 14:48, quarterfinals started at 16:10, semifinals at 19:02 and the final at 20:09. Two bronze medals were awarded at the Taekwondo competitions.
Medalists edit
| Gold | Byeong Deok Seo South Korea
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| Silver | Mário Silva Portugal
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| Bronze | Alejandro Valdés Mexico
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Berk Sungu Turkey
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Results edit
- Legend
- PTG — Won by Points Gap
- SUP — Won by Superiority
- OT — Won on over time (Golden Point)
Main bracket edit
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||
 Konstantin Minin (RUS)
| 6 | ||||||||||||||||||
 Taha Madnini (LBA)
| 7 |  Alejandro Valdés (MEX)
| 8 | ||||||||||||||||
| Alejandro Valdés (MEX)
| 8 | Alejandro Valdés (MEX)
| 0 | ||||||||||||||||
 Byeong Deok Seo (KOR)
| 5 | ||||||||||||||||||
| Byeong Deok Seo (KOR)
| |||||||||||||||||||
 Lamine Bagayogo (BUR)
| RSC 3 1:05 | ||||||||||||||||||
| Byeong Deok Seo (KOR)
| 9 | ||||||||||||||||||
 Mário Silva (POR)
| 5 | ||||||||||||||||||
 Marcin Anikiej (POL)
| 7 | ||||||||||||||||||
 Berk Sungu (TUR)
| 10 | ||||||||||||||||||
| Berk Sungu (TUR)
| 3 | ||||||||||||||||||
 Jehudiel Kiki (BEN)
| 0 | Mário Silva (POR)
| 5 | ||||||||||||||||
| Mário Silva (POR)
| 18 | Mário Silva (POR)
| 5 | ||||||||||||||||
 Vladislav Arventii (MDA)
| 3 | ||||||||||||||||||