Tonga at the 2012 Summer Olympics Tonga at the 2012 Summer Olympics Tonga participated in the 2012 Summer Olympics in London, United Kingdom, which were held from 27 July to 12 August 2012. The country's participation in London marked its eighth appearance in the Summer Olympics since its debut at the 1984 Summer Olympics. The delegation included three competitors: two in athletics, Joseph Andy Lui and ʻAna Poʻuhila, along with one short distance swimmer Amini Fonua. The latter entry was Tonga's first appearance in Olympic swimming competition. Lui and Fonua qualified through wildcard places while Po'uhila made the games by meeting qualification standards. Fonua was selected
Brunei at the 2012 Summer Olympics they failed to meet the required qualifying times for their events. Mahusin was the flag bearer for the opening ceremony while Lim held it at the closing ceremony. All three athletes failed to advance beyond the heat stages of their respective events, but Mahusin and Lim achieved new national records in athletics and swimming. Although Brunei first participated in the Summer Olympics in the 1988 Summer Olympics in Seoul, South Korea, it was only represented by one official. It would not be until the 1996 Summer Olympics in Atlanta, United States that the country would send athletes to the Games.