The 2021 Indonesia Masters (officially known as the Daihatsu Indonesia Masters 2021 for sponsorship reasons) was a badminton tournament that took place at the Bali International Convention Center in Nusa Dua, Badung Regency, Bali, Indonesia, from 16 to 21 November 2021 and had a total prize of US$600,000.

The tournament was organized by the Badminton Association of Indonesia with sanction from BWF.

[2] It was also part of the Indonesia Badminton Festival in which three tournaments; the Indonesia Open and World Tour Finals, together with this tournament were held at the same venue, played back-to-back.

[2] Below is the point distribution table for each phase of the tournament based on the BWF points system for the BWF World Tour Super 750 event.

The distribution of the prize money was in accordance with BWF regulations.