 | |||
| Tournament details | |||
|---|---|---|---|
| Dates | 23–28 November | ||
| Level | Super 1000 | ||
| Total prize money | US$850,000 | ||
| Venue | Bali International Convention Center | ||
| Location | Badung Regency, Bali, Indonesia | ||
| Champions | |||
| Men's singles |  Viktor Axelsen | ||
| Women's singles |  An Se-young | ||
| Men's doubles |  Marcus Fernaldi Gideon Kevin Sanjaya Sukamuljo | ||
| Women's doubles |  Nami Matsuyama Chiharu Shida | ||
| Mixed doubles |  Dechapol Puavaranukroh Sapsiree Taerattanachai | ||
| |||
The 2021 Indonesia Open (officially known as the SimInvest Indonesia Open 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 23 to 28 November 2021. It had a total prize of US$850,000.