The boys' 55 kg competition in taekwondo at the 2010 Summer Youth Olympics in Singapore took place on August 16. A total of 12 men competed in this event, limited to fighters whose body weight was less than 55 kilograms. Preliminaries started at 15:04, quarterfinals started at 17:00, semifinals at 19:02 and the final at 20:09. Two bronze medals were awarded at the Taekwondo competitions.