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.