| Iaaf: | TRI |
| Year: | 2013 |
| Games: | World Championships in Athletics |
| Location: | Moscow |
| Competitors: | 21 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Previous: | 2011 |
| Next: | 2015 |
Trinidad and Tobago competed at the 2013 World Championships in Athletics in Moscow, Russia, from 10–18 August 2013.A team of 21 athletes was announced to represent the country in the event.
(q – qualified, NM – no mark, SB – season best)
| Athlete | Event | Preliminaries | Heats | Semifinals | Final | ||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | Time | Rank | ||
| Keston Bledman | 100 metres | ||||||||
| Rondel Sorrillo | 100 metres | ||||||||
| Richard Thompson | 100 metres | ||||||||
| Lalonde Gordon | 200 metres | ||||||||
| Kyle Greaux | 200 metres | ||||||||
| Deon Lendore | 400 metres | ||||||||
| Jarrin Solomon | 400 metres | ||||||||
| Wayne C. Davis II | 110 metres hurdle | ||||||||
| Mikel Thomas | 110 metres hurdle | ||||||||
| Jehue Gordon | 400 metres hurdles | ||||||||
| Keston Bledman Emmanuel Callender Jamol James Rondel Sorrillo Ayodele Taffe Richard Thompson | 4 × 100 metres relay | ||||||||
| Machel Cedenio Lalonde Gordon Jehue Gordon Deon Lendore Renny Quow Jarrin Solomon | 4 × 400 metres relay | ||||||||