The 2012 Asian Junior Athletics Championships was the 15th edition of the international athletics competition for Asian under-20 athletes, organised by the Asian Athletics Association. It took place from 9 to 12 June at the Sugathadasa Stadium in Colombo, Sri Lanka – the same venue hosted the 2002 Asian Athletics Championships. Thirty-four nations took part in the event and over five hundred athletes participated. A total of 44 events were contested, with the events being evenly split between the genders.