[6][7] In this edition, surfing made its Olympic debut (as new sport) by Rio Waida, who became the nation's de facto flag bearer at the opening ceremony.

[21] Three Indonesian archers qualified for the men's events by securing the last of three quota places available in the team recurve at the 2021 WA Final Qualification Tournament in Paris, France.

[12] Another Indonesian archer captured a silver medal in the women's individual recurve to book an outright berth available at the 2018 Asian Games in Jakarta.

[24] Indonesia qualified one boat in the women's lightweight double sculls for the Games by finishing fourth in the A-final and securing the last of three berths available at the 2021 FISA Asia & Oceania Olympic Qualification Regatta in Tokyo, Japan.

Rio Waida accepted a spare berth previously allocated by Japan's Shun Murakami, as a runner-up in the provisional rankings from the Asian zone at the 2019 ISA World Surfing Games.