| Event: | Bantamweight |
| Championship: | 2021 AIBA World Boxing Championships |
| Dates: | 29 October – 5 November |
| Venue: | Štark Arena |
| Location: | Belgrade, Serbia |
| Competitors: | 30 |
| Nations: | 30 |
| Gold: | Tomoya Tsuboi |
| Gold Nation: | JPN |
| Silver: | Makhmud Sabyrkhan |
| Silver Nation: | KAZ |
| Bronze: | Akash Kumar |
| Bronze Nation: | IND |
| Bronze2: | Billal Bennama |
| Bronze2 Nation: | FRA |
| Prev: | 2017 |
| Next: | 2023 |
The Bantamweight competition at the 2021 AIBA World Boxing Championships was held from 29 October to 5 November 2021.[1]