Tonga competed at the 2018 Commonwealth Games in the Gold Coast, Australia from 4 to 15 April 2018.
The Tongan team consisted of 13 athletes (seven men and six women) that competed in six sports. Boxer Magan Maka was the country's flag bearer during the opening ceremony.
The following is the list of number of competitors participating at the Games per sport/discipline.
Tonga participated with a team of 2 athletes (1 man and 1 woman).
Tonga participated with a team of 5 athletes (3 men and 2 women).
Tonga will compete in Lawn bowls.
Tonga participated with one male athlete.
Tonga participated with a team of 2 swimmers (1 man and 1 woman).
Tonga participated with 1 athlete (1 man).