The girls' 55 kg competition in taekwondo at the 2010 Summer Youth Olympics in Singapore took place on August 17. A total of 11 women competed in this event, limited to fighters whose body weight was less than 55 kilograms. Preliminaries started at 14:00, quarterfinals started at 15:22, semifinals at 18:30 and the final at 19:53. Two bronze medals were awarded at the Taekwondo competitions.
Medalists
edit| Gold | Jade Jones Great Britain
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| Silver | Thanh Thao Nguyen Vietnam
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| Bronze | Jennifer Ågren Sweden
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Shafinas Abdul Rahman Singapore
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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 | ||||||||||||||||
 Monica Chavez (MEX)
| 4 | ||||||||||||||||||
 Jade Jones (GBR)
| 7 | Jade Jones (GBR)
| 7 | ||||||||||||||||
 Ruth Gbagbi (CIV)
| 3 | Jade Jones (GBR)
| 4 | ||||||||||||||||
 Jennifer Ågren (SWE)
| 0 | ||||||||||||||||||
 Ndeye Coumba Diop (SEN)
| DSQ | ||||||||||||||||||
| Jennifer Ågren (SWE)
| |||||||||||||||||||
| Jade Jones (GBR)
| 9 | ||||||||||||||||||
 Thanh Thao Nguyen (VIE)
| 6 | ||||||||||||||||||
 Shafinas Abdul Rahman (SIN)
| |||||||||||||||||||
 Kaburee Ioane (KIR)
| Kaburee Ioane (KIR)
| RSC 1 0:59 | |||||||||||||||||
 Michele Dorkenoo (TOG)
| RSC 2 1:16 | Shafinas Abdul Rahman (SIN)
| 8 | ||||||||||||||||
 Sara Neves Bolivar (STP)
| KO 1 0:58 | Thanh Thao Nguyen (VIE)
| 9 | ||||||||||||||||
| Thanh Thao Nguyen (VIE)
| Thanh Thao Nguyen (VIE)
| 3 | |||||||||||||||||
 Rahma Ben Ali (TUN)
| 1 | ||||||||||||||||||