| Games: | World Aquatics Championships |
| Nf: | TTO |
| Nfname: | Amateur Swimming Association of Trinidad and Tobago |
| Year: | 2019 |
| Flagcaption: | Flag of Trinidad and Tobago |
| Location: | Gwangju, South Korea |
| Competitors: | 3 |
| Sports: | 1 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
Trinidad and Tobago competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
See main article: Swimming at the 2019 World Aquatics Championships.
Trinidad and Tobago entered three swimmers.[1]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=4 | Dylan Carter | 50 m freestyle | 22.65 | 41 | did not advance | |||
| 100 m freestyle | 48.77 | 16 Q | 48.52 | 12 | did not advance | |||
| 100 m backstroke | 54.03 NR | 16 Q | 54.08 | 16 | did not advance | |||
| 50 m butterfly | 23.33 | 8 Q | 23.37 | 13 | did not advance | |||
| Cadell Lyons | 100 m butterfly | 54.79 | 46 | did not advance | ||||