Trinidad and Tobago competed at the 2018 Commonwealth Games in the Gold Coast, Australia from April 4 to April 15, 2018.
Track and field athlete Michelle-Lee Ahye 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.
Trinidad and Tobago participated with 24 athletes (13 men and 11 women).
<nowiki>*</nowiki> Competed in heats only.
Trinidad and Tobago participated with two athletes (two men)
Trinidad and Tobago qualified a men's and women's beach volleyball team for a total of four athletes.
Trinidad and Tobago participated with a team of 2 athletes (2 men).
Trinidad and Tobago participated with 4 athletes (4 men).
Trinidad and Tobago participated with 1 athlete (1 man).
Trinidad and Tobago participated with 5 athletes (5 men).
Trinidad and Tobago participated with 3 athletes (2 men and 1 woman).
Trinidad and Tobago participated with 1 athlete (1 man).
Trinidad and Tobago participated with 4 athletes (3 men and 1 woman).
Trinidad and Tobago participated with 1 athlete (1 woman).