Tonga at the 2020 Summer Olympics
Tonga competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. It was the nation's tenth consecutive appearance at the Summer Olympics.
Competitors
The following is the list of number of competitors in the Games.| Sport | Men | Women | Total |
| Athletics | 1 | 0 | 1 |
| Swimming | 1 | 1 | 2 |
| Taekwondo | 1 | 1 | 2 |
| Weightlifting | 0 | 1 | 1 |
| Total | 3 | 3 | 6 |
Athletics
Tonga received a universality slot from the World Athletics to send a male track and field athlete to the Olympics.;Track & road events