Tonga at the 2025 World Aquatics Championships
Tonga competed at the 2025 World Aquatics Championships in Singapore from July 11 to August 3, 2025.
Competitors
The following is the list of competitors in the Championships.| Sport | Men | Women | Total |
| Swimming | 1 | 1 | 2 |
| Total | 1 | 1 | 2 |
Swimming
Tonga entered 2 swimmers.;Men
;Women